What is geosynthetic membrane?
What is geosynthetic membrane? A geomembrane is very low permeability synthetic membrane liner or barrier used with any geotechnical engineering rela... 続きをみる
What is geosynthetic membrane?
What is geosynthetic membrane? A geomembrane is very low permeability synthetic membrane liner or barrier used with any geotechnical engineering rela... 続きをみる