求翻译：包头海平面废次钠污水处理PLC控制系统（项目主要负责人），独立完成西门子S7-300-PLC软冗余控制系统设计，完成上位机WinCC画面组态和下位机Step7编程，并全程完成项目现场调试，后期独立完成整个项目维护。处理后污水合格率由35%提升到8%。是什么意思？

Baotou sea level waste times sodium sewage treatment plc control systems (project leader), independently Siemens s7-300-plc software redundancy control system design, to complete the host computer wincc screen configuration and lower machine step7 programming, and full completion of the project site

As well as spent time sea level Header sewage PLC control system (project manager) and independent Siemens S 7 - 300 - PLC soft redundant control systems design, and complete the WinCC picture group mentality and the 7 bit machines Step programming and debugging with completion of the project site,

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Sea-level sodium waste water treatment PLC control system in baotou (project head), Siemens S7-300-PLC soft design of redundancy control system independently, complete PC configuration and WinCC screens slave Step7 programming and full on-site commissioning to complete the project, later complete th

The Baotou sea level unusable sodium sewage treatment PLC control system (project main person in charge), the independence completes Simens the S7-300-PLC soft redundancy control system design, completes the position machine WinCC picture configuration and the lower position machine Step7 programmin