单项选择题
A.0.32mm B.0.35mm C.0.4mm D.0.45mm
A.喷油泵垫片 B.气缸垫片 C.喷油器垫片 D.O型圈
A.变大 B.不变 C.变小 D.消失
A.5° B.10° C.13° D.21°
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