纤维球滤料的应用主要集中在水处理和石油行业。
Fiber ball filter material is mainly concentrated in water treatment and oil industry.
建议对于大中型集中空调系统优先选用化学加药水处理方式。
Recommends that the chemical dosing treatment is preferred for large and medium air conditioning systems.
当前有关COD的研究主要集中在污水处理、环境监测和评价方面，对其吸附解吸研究尚属空白。
At present, the research about COD is concentrated on sewage disposal, environmental monitoring and assessment mainly, but nobody has researched on adsorption-desorption of COD.
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