名词
中文翻译：拉紧器
同义词：
['tightener', 'tension regulator']
例句：
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1.The tensioner is used to adjust the tightness of the cable.
张力调节器用于调整电缆的紧绷度。
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2. The tensioner was designed to prevent cables from slipping.
张力调节器设计用来防止电缆滑动。
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3.The tensioner was responsible for maintaining the proper tension in the cables.
张力调节器负责保持电缆中适当的张力。