以此为依据，对化工三号采区可采段进行划分，打破了按可采层进行开采的传统观念。
According to that, we marked the workable sector. It breached the traditional ideas of extracted workable seam.
以此为依据，对化工三号采区可采段进行划分，打破了按可采层进行开采的传统观念。
According to that, we marked the workable sector. It breached the traditional ideas of extracted workable seam.
应用推荐