workover rig
短语词组
- workover r rig 修井机
- barge workover rig 驳船修井设备
- portable workover rig 移动式修井机
- inclined workover rig 倾斜式修井机
- truck mounted workover rig 轮式作业机
- pressure balanced workover rig 不压井修井机
- offshore workover rig base 海洋修井机底座
- conventional workover rig 常规修井作业机 返回 workover rig