望高錫矿自从提出在螺旋选矿粗选回收率方面夺取世界冠军的口号以后,最近已有几个班在这方面达到了世界生产水平。据矿化驗室化驗结果,4月15～19日,一場三班螺旋选矿粗选回收率己达到94％;4月21～25日,五場一班达到96.3％;4月26～30日,一場一班达到93.8％,五場一班达到92.5％。今年三月间,望高锡矿一场螺旋沟只是个别班組粗选回收率突破90％。4月初,这个矿出席广西 Wangao Ko Tin Since the slogan of winning the world championship in rougher recovery of spiral beneficiation, several classes have recently reached world production levels in this area. According to the mineralized laboratory test results, April 15 to 19, a three-round spiral beneficiation rougher recovery rate has reached 94%; April 21 ~ 25, five games a class reached 96.3%; April 26 ~ 30, 93.8% in one class and 92.5% in five classes. In March of this year, a spiral ditch at Wangao Tin Mine only exceeded 90% of the rougher recovery rates of individual teams. In early April, the mine attended Guangxi