After surface treatment, the HETP of tested packings decreased about 20% and 30% in average for common organics…
对于分离普通有机物以及高表面张力物系（如水溶液），其等板高度HETP分别下降约20％和30％。
After surface treatment, the HETP of tested packings decreased about 20% and 30% in average for common organics…
对于分离普通有机物以及高表面张力物系（如水溶液），其等板高度HETP分别下降约20％和30％。
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