名词中文翻译
中文翻译：扩展滑轮
同义词：
['expanding gear', 'expanding wheel']
例句：
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1.The engineer designed a new expanding pulley to increase the machine's efficiency.
工程师设计了一种新型的扩展滑轮，以增加机器的效率。
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2. The expanding pulley was used in the construction of the bridge, which spanned over a river.
扩展滑轮被用于桥梁的建设中，这座桥横跨了一条河流。
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3. The expanding pulley was an essential component of the machinery, allowing it to move more smoothly and efficiently.
扩展滑轮是机械的一个关键部件，它使得机械能够更平滑、高效地移动。