According to national hierarchical standard of heavy metal to appraise vegetables, sanitary standard of food and quality of vegetables, polluted degree of heavy metals has been evaluated.
并参照国家食品卫生标准和蔬菜质量分级标准评价了蔬菜的重金属污染程度。
Sanitary sewage up to national Grade 1 emission standard after the treatment of regulation, precipitation and sterilization by CL buried sewage treatment plant.
生活污水经调节、沉淀、消毒处理的CL地埋式生活污水处理成套装置处理后达到国家规定的一级排放标准。
All performances of sanitary pottery accord with the demands of national standard.
卫生瓷的各项性能均符合国家标准要求。
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