名词
中文翻译：圆螺母
同义词：
['round-headed nut', 'round-grooved nut例句：1. The engineer used a special tool to remove the round nut with grooves from the machine.（工程师使用特殊工具从机器上移除带有凹槽的圆形螺母。）']
例句：
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1. The engineer used a special tool to remove the round nut with grooves from the machine.
工程师使用特殊工具从机器上移除带有凹槽的圆形螺母。
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2. The round nut with grooves was a crucial part of the construction project.
带有凹槽的圆形螺母是建筑项目的关键部分。
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3.The technician carefully removed the round nut with grooves from the gear before replacing it.
技术员在更换齿轮之前，小心地从齿轮中取出了带有凹槽的圆形螺母。