The polyester woven felt filter allows for highly efficient filtration.

聚酯编织的过滤器能够实现高效过滤。

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Pore gradient ceramics with a series of pore sizes is the high efficient filtration material.

以系列孔径分布的孔梯度陶瓷作为一种高效过滤材料。

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The filter pack provides more filtration media per area, leading to more efficient filtration.

该过滤包在单位面积上可提供更多的过滤介质，并因此产生更高效的过滤。

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Other resource-efficient projects like New York's 4 Times Square office building, Atlanta's EarthCraft House and Village Habitat Design's cohousing conservation communities include such innovations as energy-efficient insulation, water and air filtration, or hydronic heating, aiming for healthy, nontoxic construction processes and buildings for humans and the environment.

CNN: Developer advocates 'spiritual' approach to building

In fact, she says, the air filtration systems in airplanes take out 99 percent of infectious material, far more efficient than the systems in most offices.

CNN: Business travelers exposed to health risks