ʯ\W(wng)ɸ߿gߏ(qing)չԵĵ̼䓽z߰PVC䓽zʹÙC(j)еɣʹԓW(wng)ɵͽY(ji)(gu)ʯ\W(wng)(j)ASTMEN(bio)(zhn)ʹõĵ̼䓽zֱ(j)O(sh)Ӌ(j)Ҫͬһ2.0-4.0mm֮gʯ\W(wng)䓽zĿ(qing)Ȳ38kg/m2僌һ245g/m2ʯ\W(wng)Ƭ߅ֱһҪھW(wng)ֱpgϲֵLȲС50mm.ԱCgϲ䓽zĽ僌ӺPVC僌ӲƉġ
r(sh)g2020/8/3 3:54:34
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ʯ\W(wng)ɸ߿gߏ(qing)չԵĵ̼䓽z߰PVC䓽zʹÙC(j)еɣʹԓW(wng)ɵͽY(ji)(gu)ʯ\W(wng)(j)ASTMEN(bio)(zhn)ʹõĵ̼䓽zֱ(j)O(sh)Ӌ(j)Ҫͬһ2.0-4.0mm֮gʯ\W(wng)䓽zĿ(qing)Ȳ38kg/m2僌һ245g/m2ʯ\W(wng)Ƭ߅ֱһҪھW(wng)ֱpgϲֵLȲС50mm.ԱCgϲ䓽zĽ僌ӺPVC僌ӲƉġ