名词
中文翻译：滑轮组
同义词：
['Pulley assembly', 'Pulley block assembly']
例句：
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1.The pulley blocks are essential for the machine's operation.
滑轮组是机器运行所必需的。
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2.The engineer designed a new pulley block to improve efficiency.
工程师设计了一个新的滑轮组以提高效率。
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3. The pulley blocks were damaged during the construction process.
在建造过程中，滑轮组受损了。