单选题It is very necessary that each cylinder （） before the charged air is compressed.Ais scavengedBis atomized with fuel oilCbe scavengedDbe atomized with fuel oil
单选题
It is very necessary that each cylinder （） before the charged air is compressed.
A
is scavenged
B
is atomized with fuel oil
C
be scavenged
D
be atomized with fuel oil
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