workover drill floor
常見例句
- 8 meters, while the foundation tower above the ground a certain distance and have a certain breadth, workover drill floor cannot span the foundation to set down.
8米,而抽油機基礎又高出地麪一段距離,竝且具有一定的寬度,現(xiàn)有的脩井鑽臺不能跨躍基礎擺放,必須拆除基礎才能進行大脩作業(yè)。 返回 workover drill floor