單項選擇題

進(jìn)氣門和排氣門氣門間隙分別為()

A.0.20~0.25mm、0.30~0.35mm
B.0.30~0.35mm、0.20~0.25mm
C.均為0.20~0.25mm
D.均為0.30~0.35mm

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