单项选择题
A.exhaust B.fuel oil C.cooling water D.cylinder liner
Low compression pressure in a diesel engine can be caus...
单项选择题Low compression pressure in a diesel engine can be caused by（）
A.improperly seating intake valves B.leaking cylinder liner seal rings C.late fuel injection timing D.carbon deposits on the piston
During the power stroke of a four-stroke/cycle diesel e...
单项选择题During the power stroke of a four-stroke/cycle diesel engine, most of the side thrust of a trunk-type piston is absorbed by the（）
A.piston skirt B.pinion C.crosshead D.compression rings
A pyrometer is an instrument commonly used to measure（）...
单项选择题A pyrometer is an instrument commonly used to measure（）
A.cylinder pressure B.flame intensity C.exhaust gas temperature D.crankshaft axial alignment
