Eventually the polyester is unable to support the weight of the algae, and they fall off into a collection duct positioned underneath.

最终当聚酯薄板无法承受藻类的重量时，它们便会掉进安置在下面的收集管内。

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Duct-type electrostatic air cleaners (EACs) have more and more wide application in the future because of its low resistance and relatively high collection efficiency.

管道型静电空气净化器由于其低阻高效的特点，使其具有越来越广泛的应用前景。

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