求翻译：矿井通风普遍不符合要求金属非金属地下开采矿山之所以没有把强制性机械通风作为重点工作,是因为这些矿山井下绝大多数没有瓦斯(石墨矿等除外)。因此,尽管国家安监总局前几年就已要求进行了机械通风专项整治工作,但在实际工作中却很少落实到位,至今也仅仅是什么意思？

Mine ventilation generally does not meet the requirements of the metal and nonmetal underground mining is no reason why a mandatory mechanical ventilation as a key, because the vast majority of these underground mine, no gas (such as graphite mine). Thus, while the SAWS few years ago had the require

Mine Ventilation requirements are not met general non-metallic underground metal mines were not mandatory mechanical ventilation as the focal point of their work, because the vast majority these mine there was no gas (graphite) except mine. It is therefore, in spite of the State Administration of Wo

Mine ventilation generally does not conform to the request metal nonmetallic underground mining mine the reason that not the compulsory artificial draft achievement key point work, is because these mine mine shaft overwhelming majority does not have the gas (exceptions and so on graphite ore).Theref

Mine ventilation generally does not meet the requirements for metal and Nonmetal underground mines didn't focus as compulsory mechanical ventilation, is because the vast majority of these underground without gas (graphite mines). Therefore, in spite of the State administration of safety supervision

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