名词中文翻译
中文翻译：手操作的机械装置
同义词：
['manually operated equipment']
例句：
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1.This hand-operated gear is very useful for emergency situations.
这种手操作的机械装置在紧急情况下非常有用。
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2. The engineers have developed a new type of hand-operated gear that can be used in remote areas.
工程师们开发了一种新型的手操作机械装置，可以在偏远地区使用。
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3. The hand-operated gear was designed to simplify the process of assembly and disassembly.
这种手操作的机械装置被设计来简化装配和拆卸过程。