单选题Whilst the engine is turning, check to see that no water is leaking into the crankcase, scavenge air belt, or from （）.Aexhaust valvesBstarting valvesCfuel valvesDthe indicator cocks
单选题
Whilst the engine is turning, check to see that no water is leaking into the crankcase, scavenge air belt, or from （）.
A
exhaust valves
B
starting valves
C
fuel valves
D
the indicator cocks
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