单项选择题
A.brake horsepower
B.displacement
C.cylinder volume
D.cylinder clearance
单项选择题 Which of the listed conditions will affective pressure the most in the cylinder of a diesel engine?（）
单项选择题 When attempting to start a main propulsion diesel engine, the engine, the engine turns at the proper speed but will not startYou should check the（）
单项选择题 When attempting to start a main propulsion diesel engine, the engine, the engine turns at the proper speed but will not startYou should check the（）