名词
中文翻译：螺丝四联体
同义词：
['screw assembly', 'screwed-together assembly', 'screwed-together unit']
例句：
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1. The engineer used a screw tetrad to attach the bracket to the wall.
工程师使用一个螺丝四联体将支架固定在墙上。
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2.The screw tetrad was designed to hold multiple parts together securely.
这个螺丝四联体设计用来牢固地连接多个部件。
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3. The screw tetrad proved to be an effective solution for fixing loose screws in furniture.
这个螺丝四联体对于家具中松动螺丝的固定非常有效。