名词
中文翻译：Unknown
同义词：
['nested type', 'nested reduction gear']
例句：
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1.The design of the gearbox is optimized for efficiency and reduced weight.
该齿轮箱的设计旨在提高效率和减轻重量。
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2. The engineers developed a new type of gear that can withstand higher loads.
工程师们开发了一种能承受更高负载的新型齿轮。
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3. The gearbox has been tested under various operating conditions to ensure its reliability.
齿轮箱已在不同运行条件下进行测试，以确保其可靠性。