目的：对改进逆流分配法及逆流分配法进行对比研究。

OBJECTIVE To compare the process of counter-current-distribution(CCD) and improved counter-current-distribution.

youdao

目的：对改进逆流分配法及逆流分配法进行对比研究。

OBJECTIVE To compare the process of counter-current-distribution(CCD) and improved counter-current-distribution.

youdao