| 单词 | dead centre |
| 例句 | Finding nothing, no bait and no new idea, I sat up—only to discover that I was dead centre in the focus of his stare. Life of Pi 2001-09-01T00:00:00Z Imagine you are standing at the dead centre of a merry-go-round on which the horses are arranged in three concentric circles. The Invention of Science 2015-09-17T00:00:00Z It hit dead centre and busted through some paper and runged a bell. Elijah of Buxton 2007-08-06T00:00:00Z It wasn’t the largest in the forest, or in its dead centre, or remarkable in any other way. Life of Pi 2001-09-01T00:00:00Z Personal preference plays a part too: lots of people like to sit dead centre in the middle of a row; I'd always sacrifice being central for not being hemmed in. Good seat, bad seats – in theatre, surely the play's the thing? 2013-02-04T13:59:45Z He shows a plan of an ideal city, with runways at its dead centre and "aerolanes" connecting such things as "E-fulfilment facilities" and a "medical and wellness cluster". Aerotropolis:the city of the future? 2013-03-03T00:05:17Z It landed right in Danno's chest, in the dead centre of his cruel heart and his wolf blood flowed out over the floor. It's All Right I Have a List That Helps to Make Everything Clear and It's Real Easy to Follow by Ian Beck - short story 2012-11-14T12:09:04Z Her second was perfect: dead centre with the right amount of elevation to allow Berntsen to unleash a cracking spike on his opponents. With professional sport on lockdown, athletic animals seize the spotlight 2020-04-17T04:00:00Z The dead centre of London for artists, patrons and hangers-on has always been Soho, "the cosmopolitan centre of London", as Miles refers to it in London Calling, "its character formed by successive waves of refugees". Barry Miles: 'I think of the 60s as a supermarket of ideas. We were looking for new ways to live' 2010-03-20T00:06:00Z The specialist bomb-aiming equipment developed for the raid was now useless, and Johnson was going to have to rely on instinct to drop the bomb dead centre. Obituary: Sqn Ldr George 'Johnny' Johnson 2022-12-08T05:00:00Z Even so, the ball was dead centre, and had Guaita been better set it would have been a routine stop. Schlupp's strike and Guaita's saves for Crystal Palace deny Spurs three points 2020-12-13T05:00:00Z This teen romance, with live music, is even better than I remembered and this time I get a better view as I’m up close and dead centre in the first row. A front-row sofa at the theatre: binging on VR fringe shows 2020-01-07T05:00:00Z “I had my hand through his belt. All I succeeded in doing, I turned him so instead of dead centre the bullet hit four inches to the left of his navel and two inches above.” James R Leavelle, detective handcuffed to Lee Harvey Oswald when he was shot, dies aged 99 2019-08-30T04:00:00Z EST 09:53 25 min Scrum Scotland then, dead centre and nine inside the Italian half. Italy v Scotland: Six Nations 2016 – live! 2016-02-27T05:00:00Z Really nice range for Palace here: dead centre, about 25 yards out. Manchester City 4-0 Crystal Palace: Premier League – as it happened 2016-01-16T05:00:00Z Another lineout stolen by Kaino, but then a poor pass inside is juggled and lost forward by Carter on his own 10 metre line, dead centre. South Africa v New Zealand: Rugby World Cup semi-final – as it happened 2015-10-24T04:00:00Z We were dead centre at the centre of that debacle. Rochdale taxi firm admits providing white drivers on request 2014-10-21T04:00:00Z With this, the tactile feedback meant it never felt like I was hitting the keys dead centre, which made it hard to become comfortable with it. Acer C720 Review: The Chromebook The Mass Market Is Waiting For 2014-02-09T18:24:00Z Six yards out and dead centre, he rose and made a solid connection, but could only direct his effort at Bats. The Joy of Six: football misses 2013-03-22T10:50:47Z Really nice range for Palace here: dead centre, about 25 yards out. Manchester City 4-0 Crystal Palace: Premier League – as it happened 2016-01-16T05:00:00Z Another lineout stolen by Kaino, but then a poor pass inside is juggled and lost forward by Carter on his own 10 metre line, dead centre. South Africa v New Zealand: Rugby World Cup semi-final – as it happened 2015-10-24T04:00:00Z This is the dead centre of troll territory; what they're looking for is that sharp intake of breath; the collective, "How can you say that?" outrage. What is an internet troll? 2012-06-12T15:38:02Z The dead centre may be extracted from the tail spindle by a pin and hole as in Fig. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z The propeller was revolving in spasmodic jerks, due, I imagine, to the fast failing steam only forcing the cranks over their dead centres with an effort. The Diary of a U-boat Commander With an Introduction and Explanatory Notes by Etienne 2011-01-30T03:00:19.213Z He spotted Joe right off; fixed him wi’ his eye an’ focussed him dead centre, an’ talked right at him. The Night Riders A Romance of Early Montana The crank is assumed in the figures to be on its dead centre nearest to the engine cylinder, and to revolve in the direction of the arrows. Mechanical Drawing Self-Taught It begins to slack and the mind halts on a dead centre every now and then, refusing to complete the revolution. Pipefuls As soon, however, as it passes the last dead centre a bend in the opposite direction takes place, attaining its maximum at f, and ceasing at h. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z Yes," Grief muttered, nodding glumly, "and where your Summer lines crossed, and mine, too, was the dead centre of Leu-Leu Atoll. A Son Of The Sun The cop started forward, but Hershie stopped him with one finger, dead centre in the flak jacket. Super Man and the Bug Out It will be noted that the heel, unlike the crank-pin of an engine, never reaches, never even approaches, that point of powerlessness known to engineers as a dead centre. A Book of Exposition Tom stepped over to the transit, adjusting it carefully and setting the hanging plummet on dead centre with the nail head in the top of the short stake. The Young Engineers in Colorado Or, At Railwood Building in Earnest The discrepancy may, however, be equalized by swinging the eccentric from a pivot that is not on the line of centres at a time the crank is on a dead centre. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z The maximum advance of spark is 12 mm., or 32 degrees before the top dead centre, and the firing order of the cylinders is 1,5,3,6,2,4. A History of Aeronautics But in the dead centre of a cyclone one is in perfect peace. The Blue Lagoon: a romance It is a law for all the levers of the body; they are set and moved in such a way as to avoid the occurrence of dead centres. A Book of Exposition The old man—so 'Op told me—stayed on the bridge, brought up on a dead centre. Traffics and Discoveries If a valve has no lap or lead, the eccentric will stand at a right angle or angle of 90 degrees when the crank is on the dead centre. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z Lord Lundie was rapidly improving in technique, though organ-grinding, unlike the Law, is more of a calling than a trade, and he hung occasionally on a dead centre. Actions and Reactions Centre of civilization, as they call themselves, one would imagine that their mind-machinery had got caught on their own dead centre, and now could not be made to move. The Soul of the Far East When, however, the crank pin arrives at the opposite dead centre, as denoted by the dotted lines in Fig. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z Again, when on the other dead centre, the line f f, in Fig. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z The crank is then put on its other dead centre, and the lead for the head end port is measured. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z Then, with the crank pin placed on the other dead centre, mark another line on the cross head, coincident with the other side face of the rod, at c, Fig. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z Instead of finding when the crank pin is on the dead centre by means of the process shown in Fig. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z The fly-wheel must then be moved so that the crank passes the dead centre, the guide block moves back and away from the line c, and then approaches it again. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z The lead must then be again tried at the other dead centre. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z To test the set of the valve, the steam-chest cover must be taken off, the crank placed alternately on each dead centre, and the lead measured for each port. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z If the tool is traversed back to the dead centre before the lathe is stopped or before the work is removed from the lathe, one of two results is liable to follow. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z It may be remarked, however, that in setting the tailstock over it is the point of the dead centre when set adjusted to the work length that must be measured, and not the tailblock itself. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z The reason that the error will be more plainly shown with the crank on one dead centre than when on the other is shown in Fig. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z Next move the fly-wheel around until on the opposite dead centre, and if the lead is the same in amount for both ports the valve is set. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z The first thing to be done is to put the crank pin on a dead centre, and it does not matter which one. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z This machine consists of two heads carrying stationary or dead centres to hold the wheel axle, as in a lathe. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z The weight of r tends to produce wear upon the top of the spindle, and the spindle is not gripped so near to its dead centre end as it might be. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z The object of the square arbor or tail spindle is to enable it to carry cutting tools in place of the dead centre. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z The plate for the dead centre is formed on the same principle as is shown in figure 769. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z To shift an eccentric so as to reverse the direction of engine revolution, all that is necessary is to place the crank on either dead centre and measure the amount of valve lead. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z Wind the dead centre in again, and tighten and loosen the spindle clamp, and see if doing so moves the spindle in the socket. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z It is obvious that the work centres wear to fit the dead centre, because of the friction between the two. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z The proximity of e to the dead centre makes this a great convenience, while the device uses much less oil than would be used by an oil can. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z The dead centre spindle is locked at each end of its bearing in the tailstock, thus securing it firmly in line with the live spindle. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z Turn the engine on the dead centre; make marks on the cross-head and guide that correspond; weigh a pail of water, and from it fill all the clearance space. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z The pressure on the conical point of the dead centre is in a direction to cause the tail screw to unwind, unless it be a left-hand thread, as is sometimes the case. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z If then a tool be placed in the dead centre and its cutting edge is in line with the axis of spindle o, it will bore a hole that will just fit the jewel. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z The follower rest should always be set to the work when as near as practicable to the dead centre, in which case it will be easier to set it without springing the work. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z The stem s fits in place of the dead centre. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z The lead of the valve is the amount the port is open to the live steam when the crank is on the dead centre. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z It consists of a piece fitted to the tail spindle in place of the dead centre, its end being provided with V-grooves. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z Instead of a star feed, a gear feed may be provided by fastening one gear, as a, on the dead centre, and another, as b, on the feed-screw. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z Instead of setting the dead centre of the lathe over, the bar may be set over, as in Fig. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z At the dead centre end the work is supported by a female cone centre d in the tail spindle t. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z Let e e represent the centre line of the connecting rod when the crank is on one dead centre, the axial line of the crank pin being at c c. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z |
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