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Lh늺ʯ\W
aƷDƬ
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ʯ\WһNB(ti)WЇB(ti)WԴ2000\¹ˇ¼ܡYϵʽB(ti)Wɹʹˮ·F·̷ľSo^õ˹̲cB(ti)h(hun)ЙC(lin)ϵһcһЩy(tng)Բֱ^䱾L̎緶ѽɞSoӲʯʯy(tng)Ih(hun)Soxʽ
ʯ\Wɸ߿gߏչԵĵ̼䓽zSPVC䓽z\ÙCеASTM A 975EN10223Ҏ(gu)\õĵ̼䓽zֱOӋһͨ2.0-4.0mm֮g䓽zĿȲ38kg/m2僌ӷͨ245g/m2ʯ\WƬ߅HֱͨҪھWֱpgЩLȲС50mm.Դ_gЩ䓽zĽ僌ӺPVC僌Ӳܓp
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B(ti)Wʹco_oʮֳɹĵ䷶ְl(f)]˵B(ti)WL̎_koɵıؓЧ