line pipes meaning in English
干线用管
Examples
- Research progress of the ceramic - lined pipe by shs process
陶瓷衬管技术的研究现状 - Thread compounds for casing , tubing and line pipe
套管油管和管线管用螺纹脂 - Recommended practice for field inspection of new line pipe
新管线管的现场检验推荐作法 - Terminology of imperfections in octg and line pipe
石油管材常见缺陷术语 - Hot - rolled wide strips for line pipe of oil and natural gas
石油天然气输送管用热轧宽钢带