Failure to open the diesel engine test cocks after a long period of shutdown, prior to starting may result in （）<br>A:an air bound fuel system<br>B:damage to cylinder heads and pistons<br>C:excessive fuel injection<br>D:excessive air valve lift

Failure to open the diesel engine test cocks after a long period of shutdown, prior to starting may result in （）
A:an air bound fuel system
B:damage to cylinder heads and pistons
C:excessive fuel injection
D:excessive air valve lift

出自：海船船员证

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