bet specific surface area⭐???? ?⭐?? ??? ??? ?? ? ?? ??? ??!
2024-10-23 20:33:52Read(59033)
1. bet specific surface area⭐???? ?⭐?? ??? ??? ?? ? ?? ??? ??!2? ??? ??? ?? ???? ??? ?? ???? ?? ?? ???? ??? ?? ??? ???? ??? ???? ??? ??? ????, ?? ??? ?? ??? ?? ??? 5%??? ????? ??.
2. ????bet specific surface area⭐???? ?⭐???? 2022? DF??? ???? ??(?????????)? ? 1000?? ??? ????. DF??? ?? ??? ??? ??? ???.??? ??? ???? ??????? ??? ??? ???? 137? ????. ?? 7?~?? 19?, ??? 3?4983.65㎡ ???.
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