An increase in the fuel injection pump discharge pressure can be caused by a/an _______.
A.leaking delivery valve
B.excessive bearing end play
C.plugged injector spray hole
D.increased plunger stroke
正确答案:C

An increase in the fuel injection pump discharge pressure can be caused by a/an _______.
A.leaking delivery valve
B.excessive bearing end play
C.plugged injector spray hole
D.increased plunger stroke
正确答案:C
上一篇 When the refrigeration demand is small,
下一篇 船长在接旧船时的职责应包括( )。①领导船员研究并熟悉船舶性能和接船程序;②督促并组织船员做好对口交接准备;③查清和核对有关船舶证书技术文件和资料是否齐全;④测量并核算移交当时的储存燃油数量。