工业重金属污泥
industry heavy-metal-bearing sludge
节约环保型重工业
economical and environmental heavy industry
工业用水重复利用率
Utilization rate of water for irrigation
工业用水重复率
industrial water recycle rate
能源重化工工业园
energy and heavy chemical industrial Park
新型重化工业
new heavy industrialization
重负荷工业齿轮油
heavy duty industrial gear oil
重化工业
heavy and chemical industry
heavy industry and chemical industry
heavy chemical industry
重金属工业废水
industry wastewater with heavy metals