double filter

 
  • 双滤器,双级过滤器

double filter的用法和样例:

例句

  1. The result of removal of CODCr and NH3-N from urban sewage was experimentally investigated by using biological aerated filter bed with double filter material of slag and zeolite.
    研究炉渣-沸石双层滤料曝气生物滤池处理城市污水中CODCr和NH3-N的去除效果,试验结果表明:滤池中两种滤料显示出良好的互补性,滤池对CODCr和NH3-N的去除率稳定;
  2. Because the intension of flocculent mass is loose after daily sewage disposed by biodegradation technique,it has good effect for double filtering layers that is made up of quartz sand and water slag.
    电厂生活污水用生物法处理后,由于水中的悬浮物疏松,采用石英砂和水淬渣组成的双层滤料过滤更适合。
  3. Large capacity and doubled filter
    大容量和复式滤芯
  4. He is working double tides to finish his essay.
    他日夜苦干,赶写他的文章。
  5. I do not realize it is a double feature.
    我原先不知道这是双片连映。
  6. Double agents live in a perpetual state of fear.
    两面派永远过着提心吊胆的生活。
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