单项选择题
A.increasing cooling water flow
B.increasing lube oil flow
C.dilution by fuel oil
D.adding SAE 70 oil
单项选择题 A defective injector nozzle in a propulsion diesel engine can cause（）
单项选择题 The major cause of problems occurring with fuel injection equipment is（）
单项选择题 By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engineThe device most commonly used is a（）.