F7/T93079-20121一外图:2一前橡胶环:3后橡胶环:4一内套:5螺母:6一紧定螺钉:7一注油孔:8一前像胶环孔:g一内套散热孔。图11一橡胶环:2内套:3螺母:4一紧定螺钉:5一注油孔:6外套.图2
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