underground drainage wire.
地下防雷线
Potential of Horizontal Mine Gas Drainage for Underground Hard Coal Mining
水平井在地下硬煤开采中的瓦斯抽采潜力
Approach to Increasing Efficiency of Underground Drainage Pump Series Connection
荡坪钨矿井下排水泵串联增效探讨
Application of Rich Drainage Materials in Underground Drainage Engineering of Landslide
瑞琪渗排水管材在滑坡地下排水中的应用
Underground drainage system is one of the important parts of safety production of coal mine.
煤矿井下排水系统是煤矿安全生产环节的重要组成部分。
Drainage and mud system on underground are important safety production facilities in metal mine.
金属矿山井下排水排泥系统是重要得安全生产设施。
plastics piping systems for renovation of underground non pressure drainage and sewerage networks general
地下无压排水管网和污水管网翻新用塑料管道系统。总则
Dynamic Monitoring and Analysis of Phreatic Water Surface in Phase Two Underground Drainage Project of Washan Pit
凹山采场井下二期排水潜水位动态监测与分析
Using the Way of Drainage Experiment to Decide the Underground Drainage Standard of the Saline and Acid Rice Field
用排水试验法确定咸酸稻田的排渍标准
Underground drainage oil, the underground drainage oil is the oil that is smelted out from the underground drainage.
地沟油，地沟油就是从地沟里炼出来的油。
This paper presents some results of the underground pipe and open channel drainage experiments of the saline and acid rice field in the coast area.
该文阐述了滨海咸酸稻田暗管排水和明沟排水试验的概况。
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