planetary gear

planetary gear是什么意思、planetary gear怎么读
【化】 行星齿轮

planetary gear汉语翻译

【化】 行星齿轮

planetary gear英语解释

名词 planetary gear:

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