名词
中文翻译：加权杠杆润滑器
同义词：
['weighted lever', 'weighted pulley', 'lubricator with weight']
例句：
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1. The weighted lever is used to adjust the tension of a rope.
加权杠杆用于调整绳索的张力。
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2.The weighted pulley is essential for maintaining the balance of a machine.
加权滑轮对于保持机器平衡至关重要。
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3. The lubricator with weight is designed to prevent friction and ensure smooth operation.
带有重量的润滑器设计用来防止摩擦并确保操作顺畅。