名词
中文翻译：扣件螺栓
同义词：
['bolt', 'screw', 'nut例句：1. The carpenter used a collar bolt to secure the door.（木匠用扣件螺栓固定了门。）']
例句：
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1. The carpenter used a collar bolt to secure the door.
木匠用扣件螺栓固定了门。
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2.The engineer had to remove the collar bolt before starting the engine.
工程师在启动发动机前必须拆除扣件螺栓。
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3.The bolt was so tight that it held the door together without any visible damage.
螺栓太紧了，以至于它没有明显的损坏就使门连在一起了。