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1GB12002-89Tܷl
2GB320 281NAF05-2000Ļzܷl
3ISO3934(GB10712)zܷ|-ܷⲣ肰A(y)͌(sh)оz-Ҏ(gu)
4TB 1964-87܇Tܷlz(yn)
5TB 1444-83(ni)ȼC(j)܇zg(sh)l
6HG/T 3088-1987܇vTzܷl

    ˾I(y)a(chn)N܇ܷlTܷl{(dio)ܷlҾܷlܷll(f)ܷlC(j)еܷl܇L(fng)zl܇TlblǼܗlDܷlEPDܷlzܷl(f)zl܌(sh)-d-(f)ܷlď(f)ܷlܛӲ(f)zlܛ-ӲϏ(f)ܷlܷlPVCܷlzlzܷlXϽTܷlTܷlĻܷzlbTܷlTdzܷl܇Tܷzlճܷl܇Tۗl܇Tdܷl(ni)bl܇Tˮl,L(fng)ܷlܷlȼܡzzp@zݔˮ՚ݔ͹܇zܷEPDMܷlԎzl(f)ܷldzlܷzll(f)zllzlˮlTܷlzģC(j)еܷl(f)ܷܷܷ|طNz|ԪұzģƷzlzl͸lml(PVC)lzlNҎ(gu)̖(ho)ɫNzzԪұ(EPDM)Ʒ


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