portable rig
短语词组
- portable drill rig 轻便钻机
- portable drilling rig 便携式钻机;轻便钻机
- portable workover rig 移动式修井机
- portable drill portable drilling rig 便携式钻机
- portable trailer mounted drill rig 轻便拖车式钻机
- portable trailer -mounted drill rig 装在拖车上的轻便钻机 返回 portable rig