Besides, the thickened pulverized fuel ash slurry is filled along with mining at the implementation goaf of a side-buried pipe of a return airway, and has the effect of favorable leaking stoppage.

另外，增稠粉煤灰通过在回风巷侧埋管实施采空区随采随灌，增稠粉煤灰具有良好的堵漏效果。

youdao

Besides, the thickened pulverized fuel ash slurry is filled along with mining at the implementation goaf of a side-buried pipe of a return airway, and has the effect of favorable leaking stoppage.

另外，增稠粉煤灰通过在回风巷侧埋管实施采空区随采随灌，增稠粉煤灰具有良好的堵漏效果。

youdao