Finally application instance of design and ventilation safety management in coal mine were shown.

最后给出了软件系统在矿井设计与通风安全管理中的应用实例。

youdao

Finally application instance of design and ventilation safety management in coal mine were shown.

最后给出了软件系统在矿井设计与通风安全管理中的应用实例。

youdao