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瓦斯是煤矿安全生产中的重大祸害。如何在煤田地质勘探过程中了解瓦斯分布情况和提供矿井正常生产时瓦斯含量的资料,并对其作出初步评价,以作为设计、生产时的依
Gas is a major scourge in coal mine safety production. How to understand the distribution of gas in coalfield geological prospecting process and provide information on the gas content of mine during normal production and make preliminary assessment of it as a basis for design and production