相关单词近義詞 power train 動力系, train 列車, gear 傳動裝置, gearing 傳動裝置臨近詞Gearty, gear, gear-planetary ring, gear-broach machine, gear shift lever knob, gear change mechanism, gear parameters table, gear tooth engagement, gear slotting machine, gear shift fork shaft, gear tooth comparator, gear-shaving cutter 返回 geartrain