单项选择题
A.injector pump B.fuel injector C.governor D.turbocharger
The heart of the diesel engine is the （） where the fuel...
单项选择题The heart of the diesel engine is the （） where the fuel is burnt and the power developed.
A.crankcase B.cylinder C.scavenge box D.piston
The hand steering is a method by which the motion of th...
单项选择题The hand steering is a method by which the motion of the rudder is controlled with （）.
A.a motor-driven steering wheel B.a pneumatic steering wheel C.a hand-driven steering wheel D.an electric steering wheel
The gudgeon pin is carried in （） in the piston skirt.A....
单项选择题The gudgeon pin is carried in （） in the piston skirt.
A.the bearing B.the crosshead C.bosses D.bridges
