... coefficient of light absorption 光吸收系数 coefficient of purification 净化系数 cold environment 冷环境 ...
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净化系数，净化系统
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Compared with the traditional air purification filter core, the utility model has the advantages of appropriate wind-resistance coefficient, stable efficiency, light weight, low cost, and so on.
与传统的空气净化滤芯相比，本实用新型提供的滤芯具有合适的风阻系数及稳定的效能且质量小、成本低等优点。
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