For instance, a mixture of substances in solution is passed slowly down a long column packed with alumina.
For instance, a mixture of substances in solution is passed slowly down a long column packed with alumina.
例如，溶液中的混合物质缓慢的通过装满氧化铝的柱体。
For instance, a mixture of substances in solution is passed slowly down a long column packed with alumina.
例如，溶液中的混合物质缓慢的通过装满氧化铝的柱体。