residual ore残矿回收residualadj.剩余的；残余的n.剩余部分；(复)追加酬金residual contact poison残效接触毒residual current device泄漏电路断路器Residual welding stress残余应力residual oil saturation残余油饱和度residual chlorine decay余氯衰减residual motor function残存运动功能residual lignin content残余木质素含量Residual radicular cyst残留牙根囊肿residual-oil pavement渣油路面residual cylinder stock残渣汽缸油料