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首页 - 英汉词典 - P字开头的单词或词组 - planetary gear

英语解释

planetary gear

汉语翻译

【化】行星齿轮

planetary gear英语解释

名词 planetary gear:

an outer gear that revolves about a central sun gear of an epicyclic train
同义词：epicyclic gear, planet wheel, planet gear

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