常見(jiàn)例句雙語(yǔ)例句E bottom fastening bolt submission.主機(jī)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(fā)電電源支桿撐底部設(shè)有跨騎架 和緊固栓，用於快捷安裝於陽(yáng)臺(tái)圍欄上。ip.com 返回 bottom fastening bolt