thread bar ![添加此单词到默认生词本](http://www.dict.li/user/images/new_vocabulary.gif)
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- In the spool bar to the top of the car have threaded bodies with the first round match.
在阀芯杆的顶部上车有丝扣以便与首轮机构相配合。 - The metal clamp is fixed on the bus bar through a bolt B passing through the threaded hole.
金属夹通过穿过螺纹孔的螺栓B固定在母排上。
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