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What is medium water?

来源: 作者:Stand originally 时间:2009-01-04 Tag: 点击:

Water is in after showing sewage is handled, achieve formulary water standard, use blame drinking water can repeat inside certain limits. Water standard shares water in 10, besides oxygen demand of suspension content, biochemistry, chemical oxygen demand 3 besides, other all detects 7 times by inspection of national life standard of potable water. Water can be used at the toilet in rinse, gardens irrigates, road Bao Jie, wash fountain of car, city, cooling equipment to complement to wait with water. (picked on June 23, 2001 from " Beijing daily " )



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