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Terms for subject Ecology containing 标准 水准 | all forms
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一级海水水质标准first marine water quality standard
出水水质标准effluent-quality standard
标准海水国际standard sea water
标准海水国际copenhagen water
水污染物的排放标准discharge standard of water pollutants
污水排入标准effluent-quality standard
污水质量标准effluent-quality standard
环境标准水平level of environment standard
生活饮用水卫生标准Health Standards for Drinking
用水量标准water demand standard
造纸工业水污染物排放标准discharge standard of water pollutants for paper industry
饮用水水质标准quality standard for drinking water