Q�heW(wng)ɸ߿gߏչԵĵ̼䓽z߰PVC䓽zʹÙCе(j)ASTMA975EN10223˜ʹõĵ̼䓽zֱ(j)O(sh)ӋҪͬһ2.0-4.0mm֮g䓽zĿȲ38kg/m2僌һ245g/m2Q�hʯ\W(wng)�hQeW(wng)Ƭ߅ֱһҪھW(wng)ֱpgϲֵLȲС50mm.ԱCgϲ䓽zĽ僌ӺPVC僌ӲƉ
Q�heW(wng)ɸ߿gߏչԵĵ̼䓽z߰PVC䓽zʹÙCеɣ(j)ASTMA975EN10223˜ʹõĵ̼䓽zֱ(j)O(sh)ӋҪͬһ2.0-4....
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Q�heW(wng)ɸ߿gߏչԵĵ̼䓽z߰PVC䓽zʹÙCе(j)ASTMA975EN10223˜ʹõĵ̼䓽zֱ(j)O(sh)ӋҪͬһ2.0-4.0mm֮g䓽zĿȲ38kg/m2僌һ245g/m2Q�hʯ\W(wng)�hQeW(wng)Ƭ߅ֱһҪھW(wng)ֱpgϲֵLȲС50mm.ԱCgϲ䓽zĽ僌ӺPVC僌ӲƉ