SHAKE型格
中国机电工业
第一高尔夫
时代报告
出展世界
中国经贸
简介：Water samples were collected aseptically in 5 Lplastic containers from water supplying (inlets), insideand outlets of cooling towers. A total of twenty twosamples (once a week) were collected from each ofthree sites.
简介：Water samples were collected aseptically in 5 Lplastic containers from water supplying (inlets), insideand outlets of cooling towers. A total of twenty twosamples (once a week) were collected from each ofthree sites.