| 单词 | bore-hole |
| 例句 | Once complete, the bore-hole is predicted to remain open for no more than 24 hours - a narrow window for the sampling devices to be deployed. Images emerge from polar drilling 2012-12-13T13:43:07Z The drilling operation is expected to last five days and the bore-hole is projected to remain open for no more than 24 hours. Sub-Antarctic lake to be explored 2012-12-10T07:45:30Z Into this chamber the charge for the mine is passed up the bore-hole. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 6 "Foraminifera" to "Fox, Edward" 2011-04-22T02:00:08.637Z Rescuers lowered a television camera down the bore-hole on Sunday and some of the miners looked into the lens. Chile secures lifeline to trapped miners, sends aid 2010-08-24T01:59:00Z He said engineers would coat the sides of the bore-hole and hoped to be able to start sending food and supplies down it on Monday morning. Rescue of Chile Mine Workers Could Take Months 2010-08-23T10:57:00Z Rescuers plan to send narrow plastic tubes called "doves" down the bore-hole with food, hydration gels and communications equipment. Trapped Chilean Miners Send Message From Below 2010-08-22T22:29:00Z The first section of piping which is forced down into the bore-hole is about 40 inches in diameter. From Pole to Pole A Book for Young People The cannon in which the explosive is fired is placed in the concrete head, the axial line of the bore-hole being coincident with that of the gallery. Transactions of the American Society of Civil Engineers, vol. LXX, Dec. 1910 Federal Investigations of Mine Accidents, Structural Materials and Fuels. Paper No. 1171 Now fill up the rest of the bore-hole with sand, gravel, water, or other tamping. Nitro-Explosives: A Practical Treatise Rescuers lowered a television camera down the bore-hole on Sunday, and some of the miners looked into the lens. Rescue of Chile Mine Workers Could Take Months 2010-08-23T10:57:00Z I think our best plan will be to sink a bore-hole about two inches from the crack. The Treasure of the Incas After a sigh of thanksgiving to the All-Merciful God, he pressed his lips to the bore-hole and whispered the name, of Gertrude; and then he called for three times three cheers for the Germans. In Midsummer Days, and Other Tales The reason for this is that the gases escape through the bore of the block rather than take effect in expanding the bore-hole. Transactions of the American Society of Civil Engineers, vol. LXX, Dec. 1910 Federal Investigations of Mine Accidents, Structural Materials and Fuels. Paper No. 1171 The cartridge is placed in the bore-hole, and gently pressed against the bottom, the firing wires being kept in central position. Nitro-Explosives: A Practical Treatise The size of the bore-hole is measured by filling the cavity with water from a burette. Transactions of the American Society of Civil Engineers, vol. LXX, Dec. 1910 Federal Investigations of Mine Accidents, Structural Materials and Fuels. Paper No. 1171 At the bottom of the bore-hole is a steel disc 3 inches thick, in which another hole has been bored 3 inches by 2 inches. Nitro-Explosives: A Practical Treatise The number of c.c. of water required to fill the cavity, in excess of the original volume of the bore-hole, is a measure of the strength of the explosive. Nitro-Explosives: A Practical Treatise After the explosion the bore-hole is pear-shaped, the size of the cavity depending, not only on the disruptive power of the explosive, but also on its rate of detonation, as already indicated. Transactions of the American Society of Civil Engineers, vol. LXX, Dec. 1910 Federal Investigations of Mine Accidents, Structural Materials and Fuels. Paper No. 1171 In its axis is a bore-hole, 125 mm. deep and 25 mm. in diameter. Nitro-Explosives: A Practical Treatise The bore-hole is then filled with dry quartz sand, which must pass through a sieve of 144 meshes to the sq. cm., the wires being .35 mm. diameter. Nitro-Explosives: A Practical Treatise |
| 随便看 |
|
英语例句辞典收录了117811条英语例句在线翻译词条，基本涵盖了全部常用单词及词组的例句翻译及用法，是英语学习的有利工具。