| 单词 | four-stroke engine |
| 例句 | But during the summer, the muttering of a four-stroke engine as it transits the bay is a presence throughout the day. One Family Has Delivered the Mail by Boat for 115 Years. Is This the Last? 2020-09-03T04:00:00Z On hill climbs, it was a tractor, its low-revving four-stroke engine chugging up slopes composed of sand and loose rock. Honda's new CRF450L motorcycle straddles the road and dirt, but may struggle to find riders 2019-01-18T05:00:00Z I am in an ultralight aircraft–really, a kite–powered by a four-stroke engine. Soaring Over Siberia With Extreme Billionaire Explorer Frederik Paulsen 2013-10-08T14:54:00Z The four-stroke engine performed significantly better than the two-stroke in most of the categories, but still far worse than the car engines. How bad for the environment are gas-powered leaf blowers? 2013-09-16T18:48:56Z But they are also dirty: unburned fuel and oil escapes through the exhaust port as soot, whereas the four-stroke engine more thoroughly burns the gas, which is not mixed with oil. Different Strokes: New Lower-Pollution Auto Rickshaw Engines Could Save Lives, Curb Climate Change [Slide Show] 2012-04-06T18:45:00.200Z It is called the “four-stroke engine” because the piston must make four strokes in the cylinder for each explosion or power impulse obtained. Aviation Engines Design?Construction?Operation and Repair 2011-12-04T03:00:04.777Z Inventor of the four-stroke engine applied in the automotive industry. The Civilization of Illiteracy |
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