预过滤 meaning in English

prefiltering
prefiltration

Optional ; prefiltering panel and sound reducing case
可选配预过滤面板和降噪箱。
Air pre - cleaner
空气预过滤器
Optional ; prefiltering panel and sound reducing case - noise level is cut down to 67db
可选配预过滤面板和降噪箱，噪音可降低到67db a
Use this to dynamically register prefilters to run templates through before they are compiled . see template prefilters for more information on how to setup a prefiltering function
注册一个在模板编译之前执行的预过滤器。如何设立预过滤函数，请查看模板预过滤器。
Suitable for the domestic water , food processing water , cool the circulating water , the boiler supplies water , exceed the filtration in advance of the pure water , steam condensation water , build well liquid and water flooding in the oil field , chemical liquid medicine , electroplate the filtration that the liquid , much kinds of acid or alkaline solution , emulsifier wash helping , cleaning solution , medical products , ink and water treatment of the semiconductor , electron trade
水过滤器适用于生活用水食品加工用水冷却循环水锅炉供水超纯水的预过滤蒸汽冷凝水油田修井液及注水化学药液电镀液多种酸性或碱性溶液乳化剂洗涤济洗涤液医药制品墨水的过滤及半导体电子行业的水处理。