单选题The process of loop scavenge is that the exhaust will be via ports （） the air ports and controlled by the same piston.AbehindBfar fromCadjacent toDin front of
单选题
The process of loop scavenge is that the exhaust will be via ports （） the air ports and controlled by the same piston.
A
behind
B
far from
C
adjacent to
D
in front of
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