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为了交流和推广节能先进技术,以促进化学工业节能工作的深入开展,化工部于85年11月20日至12月5日在北京技术交流馆举办了全国化工节能技术展销会。
In order to exchange and promote advanced energy-saving technologies to promote energy conservation in the chemical industry in depth, the Ministry of Chemical Industry held a national chemical energy-saving technology fair at the Beijing Technology Exchange Center from November 20 to December 5,