英语单词大全

variable speed gear

中文翻译

[机] 变速机构, 变速机

今日更新

更新时间：2026-04-15 22:50:40

steam-heated evaporator

striae medullaris thalami

go to the station

oligopoly and oligopsony price

keep your wool on

musteline mammal

horixontal fillet welding