馬達是封閉的。螺杆中軸本來有白色的grease(照片#3),隻是頭部幹了才卡住(20多年了)

來源: itallture 於 2012-12-14 18:54:24 [舊帖] [給我悄悄話] 本文已被閱讀：次

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