单项选择题
Stating a large propulsion diesel engine using diesel fuel during cold weather conditions can be made easier by （）
A.increasing the quantity of starting air B.increasing the lube oil pressure C.heating the engine fuel supply D.heating the engine jacket water
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（）
单项选择题 Air in the fuel lines to the fuel injection nozzles of a diesel engine will cause the engine to （）
