本报告总结了调查的基本情况、“一通三防”综合评价、存在的主要问题，今后综合治理意见及措施和建议。

The report summed up basic investigations, comprehensive evaluation of local coal mines' ventilation and protection of methane, dust and fire, main problems existed, and...

youdao

前言： 介绍了马兰矿在加强“一通三防”技术工作中的技术经验，对搞好我公司的安全生产具有一定的借鉴。

Introduce making achievement in strengthening " One ventition three prevention" technology work in Malan coal mine. It is impotant for safety production.

youdao

前言： 在煤矿持续不断的生产过程中，“一通三防”的事故隐患也在不断的发生着变化。因此，针对其事故的特点，提出了减少事故发生的有效措施。

During coal mine continuous production, the accident hidden trouble is continuously changing. Being directed against the accident features, puts forward the measures for reducing accident.

youdao