聚乙烯薄膜
PE polythene film is used as the material of percolation proof wall extending vertically into the ground to solve the leakage pollution problem of the existing dam.
铺塑防渗工艺技术使用PE聚乙烯膜作为防渗墙材料,垂直铺入地下,解决了现用尾矿库的渗水污染问题;
Research and Design on Loosening Shovel of Polythene Film Collector
残膜回收机起膜器的设计与试验研究
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