在换如图平衡吊杆时10几年的螺丝锈死,只能在狭小空间锉出如图的上下两个平台以利用开口扳手固定…终于拿捏
在换如图平衡吊杆时10几年的螺丝锈死,只能在狭小空间锉出如图的上下两个平台以利用开口扳手固定…终于拿捏
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