名词
中文翻译：夹紧装置
同义词：
['clamp', 'clamping device']
例句：
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1.The new car has a clapper-type armature that makes it quieter.
这款新车有一个夹紧型电枢，使得它更加安静。
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2. The engineer designed the machine with a clapper-type armature to improve efficiency.
工程师设计了这台机器，带有夹紧型电枢以提高效率。
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3. The old model had a clapper-type armature, but this new one is much more efficient.
旧型号有夹紧型电枢，但这款新型号效率更高。