effevtive tractive efforteffevtive tractive effort是什么意思、effevtive tractive effort怎么读读音:[英][美]effevtive tractive effort 基本解释 【化】有效牵引力化学重点词汇effortn. 努力, 成就tractivea. 牵引的, 拖的 [机] 牵拉, 拉 最新更新词汇: cerebral irritationchloro-cuprous acidnegative chargeflexible waveguidedistributions to income beneficiariesdivergence indicatorexport permitlost negotiable instruments更新时间:2026-03-24 19:14