单项选择题
A.inside B.before C.after D.against
The distance from TDC to BDC of the diesel engine is ca...
单项选择题The distance from TDC to BDC of the diesel engine is called （）.
A.gap B.clearance C.radius D.stroke
The diffuser prevents pressure pulses from one cylinder...
单项选择题The diffuser prevents pressure pulses from one cylinder （） another during operation.
A.to interfere with B.interfering with C.to help scavenging D.helping scavenging
