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1.序言长岩矿从1960年开始开发长岩矿区并出矿,到1986年,采矿总量大约为8100万 t。1980年,为了与长岩矿区进行综合开发,开始着手坂本泽矿区的开拓工程,两年后的1982年完成。虽然与长岩矿区合并在一起进行生产,但因两个矿区隔着一条公路,所以生产、人员和大型设备等都各有其独立的系统。坂本泽地区的开采方式为以移动式破碎机为中心的截头式台阶采矿法,移动式破碎机靠自行方式进行降段(即向下一开采水平转移。——译者注)。开拓工程完成后,在水泥需求量减少的情况下,坂本泽矿区的开采
1. Introduction Changyan Mine started to develop the permafrost area from 1960 and out of ore. By 1986, the total amount of mining was about 81 million t. In 1980, in order to carry out comprehensive development with the Longyan mining area, it started to carry out the pioneering work of the Sakamotozen Mining Area, completed two years later in 1982. Although it is merged with the long rock mining area for production, there is an independent system for production, personnel and large-scale equipment, etc., because the two mines are separated by a road. Sakamoto Zee area of mining methods for the mobile crusher as the center of the truncated step mining law, mobile crusher by their own way down (that is, the next mining horizontal transfer .-- Translator’s Note). After the pioneering project was completed, with the reduction in the demand for cement, the Sakamoto Mining Area