名词
中文翻译：机械固定
同义词：
['mechanical connection', 'mechanical fastener']
例句：
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1. The car was securely fastened to the trailer with a steel bolt.
汽车用一个钢螺栓牢固地固定在拖车上。
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2. The engineer used a mechanical fastener to attach the metal plates together.
工程师使用一个机械紧固件将金属板连接在一起。
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3.The construction workers used mechanical fastening to secure the wooden beams in place.
建筑工人使用机械紧固件将木梁固定到位。