单项选择题
If you suspect a diesel engine is misfiring due to air leakage into the fuel system, you should begin looking for the leak at the （）
A.fuel line connections to cylinder injection valves B.gasket surfaces of the fuel oil filters C.discharge fitting of the fuel injector pumps D.suction side of the fuel oil tran
单项选择题 Stating a large propulsion diesel engine using diesel fuel during cold weather conditions can be made easier by （）
单项选择题 Air in the fuel lines of a diesel engine can cause （）
单项选择题 The condensers located in various stages of a flash evaporator are cooled by（）
