It is explained that filter materials for bag-type dust extractor will have expansive market foreground with the continually improvement to environment requirement.
说明了随着对环境要求的不断提高，袋式除尘滤料将有着广阔的市场前景。
With a combined technological process with bag-type filter, continuous UF and UV sterilization was used for water treatment of marine culture with circulation and utilization.
采用袋式过滤、连续超滤和紫外杀菌组合工艺对工厂化海水养殖水进行循环利用处理。
He opened the bag and saw that I had given him his favorite type of doughnut.
他打开袋子，看到了我给他的他最喜欢的甜甜圈。
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