(,,650011)(,,650011),,,,,,1,,,,,,,,,,,3000,(Koerner,g86)3000,2000,,,3040,,50,60,,80,,1981:199911241985,,,90%1984,(),1988,,1994,,(),199519983,2(Geosynthetics),,,,,,,16120002TheCommunicationScienceandTechnologyinYunnanVol.16.No.1Feb12000©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,,,,,:,:(),(),:,,:::,,:,PVCEPMD::,:,,,,:():::,:,,,:,(),,:,,,:,,,:,,(),:,,,,3,,(),,,,,3.1,3.1.1,1711©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.1(),,,,,3.1.2a.,,,(510),1015%,(0.81.0)2,,,32-3b.,,,,;,,c.,d.,,(),,8116©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,3.2,,3.2.1,,,,,Netlon,PPPE,,,,,,,,,,,,100m/min,,PPPE3.2.2,,,Netlon,,NetlonCE111CE121CE131CE151CE152CE153,,,,,,,,,,,,,,,44.1,,,,,,,1,,,4.2,,,,,,,,,1994(),,911©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,4.31,,,4yyyyyy4:a.3060cm;b.,20cm,20cm,U100cm,50cmc.200cm5,,,,,80,,,,1.:,19942..:,19990216©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.