单选题In the suction stroke air is induced into the cylinder （）In the compression stroke the air is compressed.Aby an fuel valveBthrough an inlet valveCwith an exhaust valveDfrom an outlet valve
单选题
In the suction stroke air is induced into the cylinder （）In the compression stroke the air is compressed.
A
by an fuel valve
B
through an inlet valve
C
with an exhaust valve
D
from an outlet valve
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