在此基础上，对宋代梓州与中江洪水的概况和规律作出归纳与概括。

Last of all, give a brief account of these floodwater survey and regularity.

youdao

在此基础上，对宋代梓州与中江洪水的概况和规律作出归纳与概括。

Last of all, give a brief account of these floodwater survey and regularity.

youdao