- Industri: Education; Oil & gas
- Number of terms: 4495
- Number of blossaries: 0
- Company Profile:
The Petroleum Extension Service (PETEX) is a unit of the Division of Continuing Education at The University of Texas at Austin and has been training companies and individuals since 1944.
与逐渐降低直径从顶部的水龙头。它用来检索等钻铤空心鱼并且是模衣领的对应的男性。锥度水龙头是运行变成空心鱼和旋转以削减足够的线程来提供坚定的抓地力和许可证的鱼都被拉扯和恢复。
Industry:Oil & gas