An overspeed safety device is usually fitted to a generator engine for () in the event of overspeed.
时间:2019-04-13 19:33:00 关键词:is,usually,fittedAn overspeed safety device is usually fitted to a generator engine for () in the event of overspeed.
A.cutting power off the engine
B.increasing the fuel pump setting
C.braking the crankshaft
D.stabilizing the ship speed
答案解析
A
举一反三