单项选择题
6135AK-1柴油机气门研磨后的环带宽度,进气门为()
A.1.3~2.0mm
B.1.4~2.2mm
C.1.5~2.0mm
D.1.5~2.5mm
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单项选择题
A.1.3~2.0mm
B.1.4~2.2mm
C.1.5~2.0mm
D.1.5~2.5mm
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