A、incorrect replacement of barrels and plungers of jerk pumps
B、overheating of the nozzle orifices
C、cracked pump housings
D、dirt in the fuel
更多“The major cause of problems occurring with fuel injection equipment is（）”相关的问题
A、dirt B、fuel oil C、governor cooling water D、fuel oil tars
A、can be absorbed through the skin B、causes irreversible damage to eye tissue C、is a very unstable product D、All of the above
A、can be absorbed through the skin B、causes irreversible damage to eye tissue C、is a very unstable product D、All of the above
A、elected by the majority party B、chosen from the majority and minority parties C、members of the majority party D、chosen freely from the Congressmen and Senators
A、corrosion B、rough weather C、defective sockets D、mishandling
A、A．tension B、B．sadness C、C．anger D、D．relaxation E、
A、A.can be absorbed through the skin B、B.causes irreversible damage to eye tissue C、C.is a very unstable product D、D.All of the above
A、improper adjustments B、contaminated fuel C、kinked fuel lines D、excessive engine vibration
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