利用本系统可以对回采过程中工作面顶板动态进行科学预测，并可以对工作面顶板的支护质量进行评价。

Using the expert system, we can ratiocinate the dynamic of the working-face roof scientifically in the process of extracting, we can evaluate the maintenance quality of the working-face roof, either.

youdao

利用本系统可以对回采过程中工作面顶板动态进行科学预测，并可以对工作面顶板的支护质量进行评价。

Using the expert system, we can ratiocinate the dynamic of the working-face roof scientifically in the process of extracting, we can evaluate the maintenance quality of the working-face roof, either.

youdao