The pollution was traced to an industrial park, and factories in the park were ordered to stop discharging the chemical.
该园区的工厂被下令停止排放化学物质。
The source of pollution comes from the industrial wastewater of Jilin Chemical Engineering Company.
污染源主要来自吉林化学工业公司排放的工业废水。
For the industrial pollution sources locating in the zone of municipal wastewater collecting system, effects of instant or accidental discharge of chemical compounds must be assessed.
位于城市污水处理厂污水收集系统区域内的工业污染源，必须考虑其突发性或间歇排放的化学物质对污水处理的影响。
It was found that the main occupational hazards in nickel mine are air pollution (industrial dusts, nickel and other chemical agents), noise and heat stress.
该矿主要职业危害因素是生产性粉尘、镍及其他化学物所致空气污染、噪声以及高气温与热辐射。
Though time goes by, the purest sea water and air maintains, which is rare and commendable. No industrial pollution or chemical factories can be seen within the area.
更难能可贵的是无论时间如何流转，这里始终保留了自然中最纯净的海水和空气。
Though time goes by, the purest sea water and air maintains, which is rare and commendable. No industrial pollution or chemical factories can be seen within the area.
更难能可贵的是无论时间如何流转，这里始终保留了自然中最纯净的海水和空气。
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