In line with the local conditions of Sanshandao Gold Mine, a mode of multi-staged ventilation system mainly on the wind return side was investigated and used.
结合三山岛金矿的具体情况，因地制宜地研究应用了以回风侧为主的多级机站通风系统模式。
In line with the local conditions of Sanshandao Gold Mine, a mode of multi-staged ventilation system mainly on the wind return side was investigated and used.
结合三山岛金矿的具体情况，因地制宜地研究应用了以回风侧为主的多级机站通风系统模式。
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