The effect of the blasting of production on main transported adit was analyzed at Nanfen Iron Open-pit Mine.

分析了南芬露天铁矿生产爆破对主运输平硐的影响。

youdao

The effect of the blasting of production on main transported adit was analyzed at Nanfen Iron Open-pit Mine.

分析了南芬露天铁矿生产爆破对主运输平硐的影响。

youdao