- 搜標(biāo)題
- 搜題干
- 搜選項(xiàng)
單項(xiàng)選擇題
If a diesel engine has been stopped because of piston seizure due to severe overheating, the crankcase（）
A.inspection covers should not be opened until the engine has cooled
B.ventilation system should be continued in operation for one hour for cooling
C.scavenge pump should be immediately secured to prevent loss of lube oil
D.explosion covers should be opened slightly to provide extra ventilation
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