The results show that pollutants removal performance of the system constructed by the mixedpacking medium with equal volume proportion of bricks and ceram waste is the best of the four systems.
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。
3
The mixed gas-liquid centrifugal dust-removing filter with reasonably designed gas-filtering layer and suitable packing material has remarkable dust-removing effect.