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在巴尔哈什矿冶联合企业,和A.A.建議在磨矿机前面安装一个带有斜槽的料斗(見图)。用电葫蘆把球放入料斗中并排出去。采用这个建議减輕了球磨机装球的体力劳动。
At the Balhashi Mining & Metallurgical Complex, and A.A. suggest installing a chute hopper in front of the mill (see photo). Electric hoist the ball into the hopper and discharged. Adoption of this proposal mitigated the manual labor of the ball mill ball.