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ʱ䣺2019-12-04 21:16:39

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       һǿʯӢɰõʯӢɰǧģĴ󻰾ͲõIJõʯӢɰDz80-120Ŀ320ʯӢɰɡ

      Уƽ岣Ʒޡƿܵȣѧά粣ֲȵҪԭϡˮõʯӢɰǿ͵ʯӢɰϣͨʯӢɰ;ʯӢɰһ;졢մɼͻϡұұۼұ𡢽ϡ𽺡 ĥϵȹҵ ijʯӢɰĺҪǶ٣

       ձ׼Ҫ0.02-0.015%׸Ҫ0.012% ĿǰƵλʸ߶ԹԭҪFe2O30.08%0.01% ʯӢɰƿӰΪҪʯӢɰĺ׼F2030.080.070.050.0350.02>>һ80PPM 80Ŀڶ70PPM70Ŀ ԽͣԲƿӵԽá

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