| 1. | Air distribution piping systems almost invariably use soft copper tubing with soldered fittings .
压缩空气的分配管道系统无例外地都是用焊接管件的铜管。 |
| 2. | It became necessary to provide drainage or sewer systems to carry such wastes away from the area .
提供排水系统或污水管道系统，把废物排出市区已成为必要。 |
| 3. | Sg pipelines maanshan : ductile cast - iron pipes
圣戈班管道系统马鞍山：球墨铸铁管道 |
| 4. | Interpretations 1 : slurry transportation piping systems
说明:泥浆输送管道系统 |
| 5. | Schemes of thermal insulation of piping for small ships
小船管道系统绝热方案 |
| 6. | Air admittance valves for plumbing drainage systems
污水管道系统用气体导入阀 |
| 7. | Shanghai akan advanced pp - r pipeline system . . . . .
上海爱康高级pp - r管道系统 |
| 8. | Colours . chemical factories . marking of fluids in pipes
颜色.化学工厂.管道系统的标记 |
| 9. | Technical specification of pipeline system for beach - shallow sea
滩海管道系统技术规范 |
| 10. | Calculation of water production efficiency
新型灌溉管道系统智能流量计设计 |
