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CWG-FY型负压和CWG-ZY型正压瓦斯抽放管路自动放水器。在煤炭开采、矿井支护、瓦斯治理、环境保护等方面成绩显著,对外承担煤矿机械、电子等产品的开发、研制及生产,建筑材料、建筑构件、支护产品的质量检测,岩石物理力学 性质测试及水、气、渣、声等各项环境要素分析及检测咨询和技术服务等工作 公司多年来一直致力于煤矿瓦斯灾害防治技术和瓦斯利用技术方面等应用研究工作,自主研发了煤矿井下瓦斯抽放系列关键技

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