字典網>> 英漢字典>> P開頭詞條>>planetary gear的意思 漢英字典planetary gear中文翻譯:【化】 行星齒輪英文解釋:名詞 planetary gear:an outer gear that revolves about a central sun gear of an epicyclic train同義詞:epicyclic gear, planet wheel, planet gear相關詞條:planetary pinion planetary reducer planetary wheel planetary transmission planetary planetary motion planetary compulsory mixer planetary gear transmission