单选题Ring off engine！（）A用车完毕！B主机定速！C备车！D摇铃！
单选题
Ring off engine！（）
A
用车完毕！
B
主机定速！
C
备车！
D
摇铃！
参考解析
解析：
暂无解析
相关考题：
---Ring off engine! ---Ring off engine! _________________A.Finished with engine!B.Engine rung off!C.Engine stand by!D.Got it.
备锚，摇“备车”钟。（）A、Get anchor ready and ring “Stand by engine”.B、Get anchor ready and ring “Finished with engine”.C、Get mooring ready and ring “Stand by engine”.D、Get mooring ready and ring “Finished with engine”.
---Ring off engine! ---Ring off engine! （） A、Finished with engine!B、Engine rung off!C、Engine stand by!D、Got it.
单选题A condition contributing to diesel engine piston rings sticking in the ring grooves, is insufficient ring clearance at the ring（） Ⅰ.gap Ⅱ.sideAⅠonlyBⅡ onlyCboth Ⅰ and ⅡDneither Ⅰ nor Ⅱ
单选题A diesel engine piston ring face is in direct contact with the （）.Atop of the ring grooveBcylinder liner oil filmCbottom of the ring grooveDback of the ring groove
单选题If the compression rings on a diesel engine piston become stuck in the ring groove, the cause may be due to（）Aexcessive ring actionBexcessive ring temperatureCimproper ring rotationDexcessive ring face wear
单选题Diesel engine piston ring blow-by is usually caused by excessive ring clearance at the ring（）AbackBsideCgapDbottom
单选题---Ring off engine! ---Ring off engine! （）AFinished with engine!BEngine rung off!CEngine stand by!DGot it.
单选题A condition contributing to diesel engine piston rings sticking in the ring grooves, is insufficient ring clearance at the ring（）AgapBsideCbackDradial
单选题备锚，摇“备车”钟。（）AGet anchor ready and ring “Stand by engine”.BGet anchor ready and ring “Finished with engine”.CGet mooring ready and ring “Stand by engine”.DGet mooring ready and ring “Finished with engine”.
单选题In large, low-speed, main propulsion diesel engine, position ring groove wear usually occurs at the（）Atop of the ring grooveBback of the ring grooveCbottom of the ring grooveDpiston ring end clearance