单项选择题
A.fuel lines
B.lube oil filter
C.crank case pump
D.rocker arm reservoir
单项选择题 A diesel engine fails to start because of water in the fuelIn order to start the engine, you should ()?
单项选择题 As engine RPM is increased from idle speed to full load speed, which of the conditions listed will decrease?()
单项选择题 Prior to starting, the purpose of turning over a main propulsion diesel engine with the cylinder test cocks open, is to ()