短语词组短語back -haul rates 廻程運費Back -haul 廻程線路;空載傳輸back haul detail 迂廻路程back haul canle 後曳繩out and back haul [交]往返運輸;來廻運輸haul back 拉廻拉線;拉廻;拉線haul back line 廻空索haul -back block 廻索滑輪 返回 back haul