单选题Where should the tops of vents from gasoline tanks terminate?（）.AIn open airBInside cabins near the overheadCIn the machinery space near the engine air intakeDUnderwater
单选题
Where should the tops of vents from gasoline tanks terminate?（）.
A
In open air
B
Inside cabins near the overhead
C
In the machinery space near the engine air intake
D
Underwater
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