名词
中文翻译:Unknown
同义词:
['stopper', 'stopper pin', 'stopper screw', 'stopper head']
例句:
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1.The engineer used a vavle stop pin to secure the bolt in place.
工程师使用一个止动环来固定螺栓。
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2.The carpenter tightened the vavle stop pin with a wrench.
木匠用扳手拧紧了止动环。
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3. The locksmith replaced the old vavle stop pin with a new one.
锁匠用一个新的止动环替换了旧的。