名词
中文翻译：包围式蠕虫减速器同义词
同义词：
['envelopping gear reducer', 'envelopment gear reducer']
例句：
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1. The new design of the envelope is more efficient in reducing heat transfer.
新设计的信封在减少热传递方面更加高效。
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2. The company's latest innovation in envelope technology has received high praise.
该公司在信封技术方面的最新创新获得了高度评价。
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3. The envelope was designed to protect the contents while keeping them secure.
信封被设计用来保护内容，同时保持其安全。