名词
中文翻译：三头螺丝
同义词：
['three-pointer', 'three-bolt screw']
例句：
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1.The car was fixed with a three-start screw.
这辆车是用三头螺丝固定住的。
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2.The construction worker used a three-start screw to fasten the wooden planks together.
建筑工人用三头螺丝将木板牢固地连接在一起。
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3. The engineer designed a three-start screw mechanism for the machine.
工程师为机器设计了一个三头螺丝机制。