名词
中文翻译：同心颚夹具
同义词：
['concentric jaw clamp', 'concentric jaw grip', 'concentric jaw clamp']
例句：
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1. The machineuses a concentric jaw chuck to hold the workpiece securely.
这台机器使用同心颚夹具来牢固地固定工件。
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2. The tool is designed to use a concentric jaw chuck for precision machining.
该工具设计用于使用同心颚夹具进行精密加工。
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3.The technician had to remove the concentric jaw chuck before he could start working on the part.
在开始加工零件之前，技术人员必须先取下同心颚夹具。