bottom fastening bolt
常见例句
- E bottom fastening bolt submission.
主機底腳緊固螺絲提交 M。 - A bestriding support and a fastening bolt are arranged on the bottom of a supporting rod of the generating power supply, and can be quickly mounted on a balcony parapet.
在發電電源支杆撐底部設有跨騎架 和緊固栓，用於快捷安裝於陽台圍欄上。
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