At the end of this paper, we gave a calculating formula which can distinguish the airflow form between chamber stope and heading stope.

同时还提出了划分硐室型采场与巷道型采场的计算公式。

youdao

At the end of this paper, we gave a calculating formula which can distinguish the airflow form between chamber stope and heading stope.

同时还提出了划分硐室型采场与巷道型采场的计算公式。

youdao