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NʽC(j)ȥ˶ʽC(j)ij^̣ɞСһC(j)a(chn)Чʸ(dng)С(ji)sϵɱԓC(j)ʯϣҎ(gu)ȫ҄ʽƙC(j)ͰNƵa(chn)Ʒ
NʽC(j)emеӲʯʯ(qing)ȡ200MPaԼ}40%ʯϡɌ(sh)F(xin)һC(j)һ(sh)F(xin)һγҲڶ(ƿxø͵Č÷C(j)õõwΠ)30~40%ͶYɱͬr(sh)@NC(j);Юa(chn)ɱ͡
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