在此基础上，提出了PA 6聚合反应工程研究中尚有待开展的几点建议。

And then, a few problems for the further research in PA6 polymerization process are pointed out.

youdao

在此基础上，提出了PA 6聚合反应工程研究中尚有待开展的几点建议。

And then, a few problems for the further research in PA6 polymerization process are pointed out.

youdao