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近日,由天津渤海化工集团天津化工厂引进的国内最新环保节能高效专利技术金属焊割气在该厂投入正式批量生产.
Recently, the domestic latest environmental protection, energy conservation and high efficiency patented metal welding gas was introduced into the factory for mass production by Tianjin Bohai Chemical Group Tianjin Chemical Plant.