| 1. | The target is mounted on a support passing through the pipe wall .
标板装在穿过管壁的支撑上。 |
| 2. | Rifled or other pipe wall corrugation may change the flow from a hetero－generous to a homogeneous regime by introducing a secondary circulation .
在有来复线的或其它的管壁皱纹的管中，由于引起副流，可能将非均质流转变为均质流。 |
| 3. | Pipe wall biological film formation and corrosion diagram
管壁生物膜结构及腐蚀示意图 |
| 4. | A new kind of pipe wall thickness measure
一种新型钢管壁厚量具 |
| 5. | Analysis of the stress of longitudinal corrosive flaw on oil - pipe wall
输油管管壁轴向缺陷应力分析 |
| 6. | Fluid flow pipe wall thickness required
流体流动管壁厚的要求 |
| 7. | Micrometer for measuring pipe wall thicknesses
壁厚千分尺 |
| 8. | Standard test method for determining thermoplastic pipe wall stiffness
测定热塑管壁硬挺度的标准试验方法 |
| 9. | Effect of pipe wall and crude oil temperature on wax deposition in pipeline transportation
输油管道系统管壁温度与原油温度对蜡沉积的影响 |
| 10. | 6th , wear resistant , pipe wall friction coefficient low , the resistance to flow is small , delivery capacity
6耐磨性强，管壁摩擦系数低，流阻小，输送能力强 |
