Mine ventilation system is one of the life - safeguard system, its working reliability has special meaning.
矿井通风系统属于生命保障系统一类, 其工作的可靠性具有特殊的意义.
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According to the practical rectifications of uranium mine ventilation system, the improved measures are summarized.
根据铀矿山通风系统的实际整改过程, 对通风系统的改进方法作了经验性总结.
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