To achieve "a comprehensive sewagedischargestandard" (GB8978-1996) secondary standards.
达到《综合污水排放尺度》(GB8978 - 1996)二级尺度。
2
The evaluation is complied with national stipulation about comprehensive dischargestandard of sewage.
评价选用国家制定的污水综合排放标准。
3
The experiment result expresses, after pretreatment and biological method, drilling sewage can attain a class standard of national waste synthetical discharge.