名词
中文翻译：自锁紧固件
同义词：
['self-locking fastener', 'self-tightening fastener']
例句：
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1. The car has a self-clinching fastener that makes it easy to install the seatbelt.
这辆车有一个自锁紧固件，使得安装安全带变得很容易。
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2.The screwdriver has a self-clinching fastener that prevents the handle from slipping out of the socket.
螺丝刀有一个自锁紧固件，防止手柄从插槽中滑出。
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3.The bolt has a self-clinching fastener that allows it to be tightened without needing a wrench.
螺栓有一个自锁紧固件，允许它不需要扳手就能被拧紧。