The results show that pollutants removal performance of the system constructed by the mixed packing medium with equal volume proportion of bricks and ceram waste is the best of the four systems.

结果表明，以等体积掺混废砖块和废陶获得的混合填料构建的人工湿地系统，在处理含高浓度和低浓度有机污染物的河水时均表现出良好的除污效果。

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Chaotic and mixed feelings gathered from the randomness inside their luggage or from the unfinished packing, essentially revealing one's state of mind.

散乱及未收完的行李箱就会让人有种混乱及好坏掺半的感觉，实质揭露出一个人当时的心里状态。

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The mixed gas-liquid centrifugal dust-removing filter with reasonably designed gas-filtering layer and suitable packing material has remarkable dust-removing effect.

离心气液混合过滤除尘装置的气体过滤层设计合理，选择适宜的填充材料，其除尘效果十分显著。

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