例句 /

Machine this is it abolish light , serious separation of impurity of paper pulp to use for mainly, to discongest and screen paper pulp.

Machine this is it abolish light , serious separation of impurity of paper pulp to use for mainly, to discongest and screen paper pulp.

本机主要用于废纸浆中的轻、重杂质的分离,纸浆的疏解及筛选。