• 选用兖州东林南桐和稀盐酸两步处理考察矿物质效果的同时研究了作用及机理。

    Three high sulfur coals, Yanzhou, Donglin and Nantong coals, were treated by dilute alkali and acid in succession.

    youdao

  • 选用兖州东林南桐和稀盐酸两步处理考察矿物质效果的同时研究了作用及机理。

    Three high sulfur coals, Yanzhou, Donglin and Nantong coals, were treated by dilute alkali and acid in succession.

    youdao

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