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严格控制注水参数，解决了水质超标、注水井注不进水、注水井堵塞、油井水淹等技术难题。
Controlling the water injection parameter solves the problems as water quality, difficult injection, well plugging and watered cut, which has acquired certain economical benefit.
由于功能区水质状况受诸多因素影响，复杂多变，规划设计的功能区水质保护目标能否实现，主要决定于对功能区各类水质超标风险因子的防御和调控能力。
The main goal of water resources protection is to meet the requirement for water quality standard in water function zones. The water quality in function zones is affected by many factors.
结果表明，常规组分以及微量组分中的氟、锰、铁等原生组分超标是造成天津市地下水水质总体质量较差的主要原因。
The results are that, the conventional component and the micro component as well as fluoride, manganese, iron exceed is main reason of bad. quality of groundwater.
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