It can also be compounded with superfine melt-blown fiber, coarse filter cotton to reach a better dust filtering and deodorant effect.
亦可与超细熔喷纤维、粗效过滤棉复合，达到更高滤尘、除臭功效。
The coarse filter layer is positioned proximal to a direction of fluid flow, and the fine filter layer is positioned distal to the direction of fluid flow.
所述粗滤层定位于流体流动方向的近侧，并且所述精滤层定位于流体流动方向的远侧。
The coarse filter layer is positioned proximal to a direction of fluid flow, and the fine filter layer is positioned distal to the direction of fluid flow.
所述粗滤层定位于流体流动方向的近侧，并且所述精滤层定位于流体流动方向的远侧。
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