名词
中文翻译：自闭式夹具
同义词：
['self-closing clamp', 'self-closing fastener']
例句：
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1. This self-closing grab is designed to securely hold the screw in place without needing a screwdriver.
这种自闭式夹具设计用来安全地固定螺丝，无需使用螺丝刀。
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2. The engineer used a self-closing grab to tighten the bolts on the roof.
工程师使用一个自闭式夹具来紧固屋顶上的螺栓。
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3. The construction workers used self-closing grabs to secure the scaffolding during the installation process.
建筑工人使用自闭式夹具在安装过程中固定脚手架。