该系统可用于提高煤矿企业的科学管理水平，保证井下的安全生产。

This system will make for increasing level of control and assurance safety in mine production.

youdao

该系统可用于提高煤矿企业的科学管理水平，保证井下的安全生产。

This system will make for increasing level of control and assurance safety in mine production.

youdao