COD wasn't the key factor of microbial control.
COD不是细菌控制的关键因子。
Dissolved ozone levels should be monitored in storage and distribution systems that utilize ozone for microbial control.
应当在使用臭氧来控制微生物的存储和分配系统中对溶解的臭氧含量进行监测。
Dissolved ozone levels should be monitored in storage and distribution systems that utilize ozone for microbial control.
应当在使用臭氧来控制微生物的存储和分配系统中对溶解的臭氧含量进行监测。
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