单项选择题
A.tie rod B.thrust block C.bedplate of main engine D.frame of main engine
The transmission system transmitting power from the eng...
单项选择题The transmission system transmitting power from the engine to the propeller is composed of shafts, bearings, and（）
A.propeller B.flying wheel C.main engine D.crankshaft
Which of the followings will affect the spray of fuel o...
单项选择题Which of the followings will affect the spray of fuel oil?（）
A.coke deposits B.cylinder water temperature C.asphalt in fuel oil D.lub oil
When the direction handle of telegraph is moved, the re...
单项选择题When the direction handle of telegraph is moved, the relative position of camshaft and crankshaft will be（）
A.changed accordingly B.unchanged C.positioned ahead D.positioned astern
