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1r(sh)ȌD?jin)O(sh)Ӌ(j)ԭϽ(jng)O(jin)z(yn)O(sh)Ӌ(j)ҪſM(jn)Sӹ
2Q235HǮa(chn)Ʒ֧νY(ji)(gu)(qing)210Mpa(gu)ĺӿp߶≥4mmß\̎\С600g/m2o늇Ϳ̎,ɫGɫͿܑ(yng)ϵҪ
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