The pollution brought by chromium slag is arousing high attention of national environmental protection department, so it is very urgent to deal with the pollutionofchromium slag.
铬渣污染问题已引起国家环保部门的高度重视,治理铬渣污染的任务迫在眉睫。
2
Industrial pollution in our town had supposedly turned students into living science experiments breathing in a laboratory's worth of heavy metals like manganese, chromium and nickel each day.
Trivalent chromium electroplating not only can reduce pollution obviously and save pollution treatment cost, but also can improve the quality of electroplating products.