ڸeW(wng)ַQʯ\W(wng)ɸ߿gߏ(qing)չԵĵ̼䓽zSPVC䓽z(yng)ÙC(j)(yng)øeW(wng)ɵͲֱʯ\ַQUzʯ\(j)ASTMENҎ(gu)(yng)õĵ̼䓽zֱ(j)O(sh)Ո(qng)ͨ2.0-4.0mm֮geW(wng)䓽zĿ(qing)Ȳ38kg/m2僌ӷͨ245g/m2eW(wng)Ƭ߅ֱͨҪھW(wng)ֱpgϲݵLȲС50mm.ԱϽgϲ䓽zĽ僌ӺPVC僌Ӳܚġ
eW(wng)(yng)߅֧o(h)֧o(h)ɽwrW(wng){߅ֲ(G)F·ٹ·^o(h)rW(wng)߀܌eW(wng)\W(wng)|W(wng)Q֮ʯW(wng)ڸeW(wng)ʯ\o(h)|ڸeo(h)|Zo(h)|˸eʯ\W(wng)ȵ(j)ĸeW(wng)ʹ푑(yng)a(chn)ձ鑪(yng)ڽ̉μķ_ϴSo(h)Լˮ졢ӵþW(wng)ӵ#oĞ(zi)yˮ_ϴӰʹ䚧Tl(f)ĴˮEʹؔ(ci)pʧˮɢʧ̎}Ŀr(sh)ԓB(ti)W(wng)ֵʹóɞ#õĽQӋ(j)֮һʹӴӰʧԾSo(h)eW(wng)B(ti)W(wng)ֵL(fng)1ԵIJ협(yng)߅µĸĶģȄԲ־иõƽ(wn);2_ϴ^(qing)ܽ(jng)#ˮʿ_(d)6m/s;3ԓֱ|(zh)϶ˮ(du)ˮȻл^Vл^(qing)İԣˮеđԷeʯpĶȻ(dng)ijL(f)ԭԭеB(ti)h(hun)
eW(wng)ʹʯ(dng)λFzۺzľW(wng)Fz\FzľW(wng)ǺӶɵIJ@ɷNֿ僵FzɴͿPVCÿL(fng)Ĉ(jin)ͦʯKʯʯ\в(hu)ĥgܿѡbз緶ĉKʯʯ\зc(din)ǵĉKʯܻܺõ(lin)iһbʯ\׃