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我矿使用的破碎机是原西德O＆K公司引进的MB77／70锤式破碎机．该机其有70个锤头，每个锤头重90kg，其生产能力为600t／h。从1983年9月投入生产至今，共生产石灰石2200万t。破碎机自投产以来，“一直使用由原西德进口的阿西后颁业却由全局颁｛‘直很件加四IPR千。而双金属锤头
The crusher used by mine is MB77 / 70 hammer crusher introduced by O & K Company of West Germany. The machine has 70 hammerheads, each hammer weight 90kg, its production capacity of 600t / h. From September 1983 put into production so far, a total of 22 million tons of limestone production. Since the crusher has been put into production, "Has been used by the West after the import of Assisi issued by the overall award of the world’s four straight IPR 1000. The bimetallic hammer