The remaining distance after the solid m88 review wall of the working surface passes the first section of the security m88 review pillar is 146m..."

A "hard battle" to pass the security m88 review pillar in the overlying goaf is ongoing

Technicians have reported the remaining distance of the security m88 review pillar in the overlying goaf area every day

Ensure equipment integrity and availability..." Meeting before shift at 8 o'clock

Laid a solid foundation for the smooth passage of the security m88 review pillar in the overlying goaf

The shearer slowly drives towards the security m88 review pillar area of ​​the overlying goaf area

Strive to win the "tough battle" over the security m88 review pillar in the overlying goaf area at the working face