名词中文翻译
中文翻译：扣针
同义词：
['cottage pin', 'pin', 'screwdriver例句：1. He used a cotter pin to tighten the bolts on his car.（他用一个扣针来紧固他汽车上的螺栓。）']
例句：
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1. He used a cotter pin to tighten the bolts on his car.
他用一个扣针来紧固他汽车上的螺栓。
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2. The tool is essential for fixing small parts in woodworking.
这个工具对于木工来说是必不可少的，用来固定小部件。
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3. The cotter pin was rusted and needed to be replaced.
那个扣针生锈了，需要更换。