A、0.25~0.3mm;0.3~0.35mm B、0.3~0.35mm;0.25~0.3mm C、0.30~0.35mm;0.35~0.45mm
A、间隙过大 B、间隙过小 C、间隙过大或过小
A、0.25~0.3mm B、0.3~0.35mm C、0.30~0.35mm
A、0.3~0.35mm B、0.25~0.3mm C、0.35~0.45mm
A、1 B、2 C、3 D、4
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