短语词组短语back -haul rates 回程运费Back -haul 回程线路;空载传输back haul detail 迂回路程back haul canle 后曳绳out and back haul [交]往返运输;来回运输haul back 拉回拉线;拉回;拉线haul back line 回空索haul -back block 回索滑轮 返回 back haul