| 1. | Design standard piping material for chemical plant
化工装置管道材料设计工程规定 |
| 2. | Design standard piping mechanic for chemical plant
化工装置管道机械设计规定 |
| 3. | Design standard piping layout for chemical plant
化工装置管道布置设计规定 |
| 4. | Bsp british standard pipe threa
英国标准管螺纹 |
| 5. | American standard pipe thread
美国标准管螺纹 |
| 6. | The standard pipe rack configuration for this drill consists of a long pipe cradle that is fastened to a pair of paral - lelogram - type swing arms
本钻机的标准管架配置由一个长管道托架组成，该托架被固定在两个平行四边形的旋臂上。 |
| 7. | Seven body bosses provide purge , flush , drain or bypass connections . ( purge / flush shown . ) bottom boss is furnished with standard pipe threads
七个阀体凸起部提供清洗，冲刷，排泄或旁路连接。 (图示为清洗/冲刷) 。底部凸起部配置标准管道螺纹。 |
