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單項選擇題

The efficiency of turbocharge system is increased by fitting a charge air cooler （） the compressor.

A.inside
B.before
C.after
D.against

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單項選擇題

The distance from TDC to BDC of the diesel engine is called （）.

A.gap
B.clearance
C.radius
D.stroke

單項選擇題

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

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