车轮考驾照科目四题库 轮机英语补充题库600题.doc

车轮考驾照科目四题库 轮机英语补充题库600题 导读：就爱阅读网友为您分享以下“轮机英语补充题库600题”的资讯，希望对您有所帮助，感谢您对92的支持! stroke D. a two-stroke engine works without suction operation 9. One of the differences between a two-stroke engine and a four-stroke engine is, _________. A. a two-stroke engine can?t work without cylinders B. a two-stroke engine can?t work without piston C. a two-stroke engine can?t work without crankshaft D. a two-stroke engine can?t work without a blower 10. In a diesel engine, with the fuel is injected into the cylinder, ________________. A. the piston is just coming upward from the bottom dead center. B. the piston has moved about one-fifth of the up. C. the piston has moved most of the way up and almost reached the TDC. D. the piston has just past the TDC. 180 11. ___________ is the main reason that reduces the power advantage of a two-stoke engine over a same size four-stroke one to about _________. A. Inefficient scavenging; twice B. Inefficient scavenging; 1.8 times