单项选择题
A.A special sealing gland B.Propeller C.Tailshaft D.Sterntube bearing
The thrust from the propeller to the hull of the ship i...
单项选择题The thrust from the propeller to the hull of the ship is transferred by（）
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
