名词
中文翻译：Unknown
同义词：
['worm gear', 'wheel and gear', 'gearbox']
例句：
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1.The new machine uses a worm-and-wheel gear system to increase efficiency.
这台新机器使用蜗轮蜗杆传动系统来提高效率。
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2. In the old days, people used to use worm-and-wheel gears for transportation.
在旧时代，人们曾经使用蜗轮蜗杆传动装置进行运输。
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3. The engineer designed a new worm-and-wheel gear that could handle heavier loads.
这位工程师设计了一种新型的蜗轮蜗杆传动装置，能够处理更重的负载。