最好有三隻手

来源: violinpiano 于 2019-09-07 07:51:31 [旧帖] [给我悄悄话] 本文已被阅读：次

一隻壓著bar 一隻拿著bracket+bushing對好螺孔一隻把bolts上進去。

請你LD幫忙一下？ bracket+bushing hold就好了一點不費力

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