在污水处理过程中,现代仍然有许多的技术问题。
In the sewage treatment process, we are still facing a lot of technical problems.
加药系统作为污水处理过程的关键工序,直接关系到整个工程的成败与否。
The chemical feed system is the key to the success of the whole engineering.
加药系统作为污水处理过程的关键工序,直接关系到整个工程的成败与否。
The chemical feed system is the key to the success of the whole engineering.
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