| 1. | A special protection method for underground drainage pipeline
地下排水管道的特殊保护方法 |
| 2. | Experience in improving the design quality for erection of the drainage pipeline in shaft
提高立井井筒排水管路安装设计质量的几点尝试 |
| 3. | It is preferable to connect outlet of test ball valve and drainage outlet with drainage pipeline
最好将试验球阀出口和排污口接排水管。 |
| 4. | Realizing method for monitoring system of underground methane drainage pipelines in daxing coal mine
大兴煤矿井下瓦斯抽放管路监测系统的实现方法 |
| 5. | This thesis aims at putting forward the designation routes of an automatic monitoring & controlling system of a mine drainage pipelines for the purpose of solving the problem
由此提出矿山排污输水管线自动监控系统的设计思路以解决问题。 |
| 6. | From two sides of the design and construction , this paper expatiates the disposal of water supply and drainage pipelines , how to choose the pipe , the disposal of pump room and how to diminish the vibrancy of the pump groups
从设计和施工两方面出发，论述了给排水管道的布置、给排水管材的选用及给水泵房的减振隔声等内容。 |
