短语词组短語potash h alum 鉀茂chrome potash alum 鉻明礬potash alum potassium alum 明礬chrome e potash alum 鉻明礬grained food grade potash alum 食品級鉀明礬alum potash 鉀明礬alum potash toxoid 明礬沉澱類毒素 返回 potash alum