单项选择题
Which of the following can be obtained by means of an i...
单项选择题Which of the following can be obtained by means of an indicator card?（）
A.the peak pressure in a cylinder B.the temperature of the cooling water C.the fuel consumption D.none of the above
The lower section of a piston is called the （）.A.landB....
单项选择题The lower section of a piston is called the （）.
A.land B.skirt C.crown D.plate
To correct a hunting problem in a main propulsion diese...
单项选择题To correct a hunting problem in a main propulsion diesel engine hydraulic governor, you should （）.
A.increase the governor oil pressure B.adjust the speed droop setting C.adjust the speeder spring travel D.adjust the compensating needle valve
