bottom fastening bolt
常见例句
- E bottom fastening bolt submission.
主机底脚紧固螺丝提交 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.
在发电电源支杆撑底部设有跨骑架 和紧固栓，用于快捷安装于阳台围栏上。
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