名词
中文翻译：拉紧器
同义词：
['tensioner', 'tension regulator']
例句：
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1. The tensioner is used to adjust the tension of the cable.
拉紧器用于调整电缆的张力。
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2. The tensioner was designed to prevent cables from slipping out of their sockets.
拉紧器被设计来防止电缆从插座中滑出。
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3. The tensioner was responsible for maintaining the proper tension in the cable.
拉紧器负责保持电缆适当的张力。