严格控制向海域排放含有不易降解的有机物和重金属的废水。
The discharge of waste water containing persistent organic matters and waste water containing heavy metals shall be strictly controlled.
经济有效地控制氨氮废水污染是当前面临的重大课题。
Economical and effective control of pollution by ammonia-nitrogen waste water is a vital problem currently.
通过可视化计算机辅助过程控制系统操作物化废水处理系统。
Operate the physical-chemical and the biological w. w. t. plant by computer aided process control system (visualisation).
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