new
planetary gear的英文翻譯是什麼意思，詞典釋義與在線翻譯：
英英釋義
Noun:
-
an outer gear that revolves about a central sun gear of an epicyclic train
planetary gear的用法和樣例：
例句
- Planetary gear systems are also used in many automatic transmissions.
行星齒輪組也同樣用於許多汽車變速器中。 - The bike chain drives a sun gear on the rear axle, which transmits power to planetary gears situated around it.
自行車的鏈條會驅動後輪輪軸上的太陽齒輪，將動力傳送到四周的行星齒輪。
