相关单词近义词 power train 动力系, train 列车, gear 传动装置, geartrain 动力传动系临近词Geary, gear, geared-up, gear planer, gear up for, geared down, gearksutite, gear shaper, gear change, gear bronze, gear rework, gear collar相似词gear lever, gear sth to/towards sb/sth, gearbox, gearhead, gecko, GED, geddit?, gee, 返回 gearing