重选工
“重选工” 问题列表
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Wednesday, January 22, 2025
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问题：矿粒在沉降时，矿粒之间与器壁之间相互磨擦碰撞产生的力，称为（）A、机械阻力B、机械动力C、介质阻力...
Tuesday, January 28, 2025
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问题：重选介质有水、空气、重液，都是（）A、流体B、悬浮液C、均质介质...
Thursday, March 13, 2025
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Tuesday, January 28, 2025
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问题：物料颗粒在介质中沉降时除受介质阻力外还受其它作用为（）沉降。...
Tuesday, January 28, 2025
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Tuesday, June 3, 2025
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Friday, February 21, 2025
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Tuesday, January 28, 2025
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Friday, February 21, 2025
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问题：螺旋选矿机处理矿物时，截取器的角度应根据（）A、矿物分带情况B、浓度C、处理器...
Tuesday, January 28, 2025
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问题：重选中形状为（）的颗粒，受介质阻力最小。A、立方体B、球形C、片状...
Tuesday, June 3, 2025
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Tuesday, June 3, 2025
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问题：跳汰机常用在（）物料的选分作业上。A、粗粒B、细粒C、不均匀颗粒...
Thursday, October 12, 2023
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问题：（δ2-△）/（δ1-△）=2.5--1.75时，两矿物分选属（）A、很容易B、容易C、中等...
Thursday, March 13, 2025
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问题：螺旋选矿机处理矿物时，截取器的角度应根据（）A、矿物分带情况B、浓度C、处理器...
Thursday, March 13, 2025
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问题：精矿产率与富矿比（）为回收率。A、之积B、之商C、之和...
Tuesday, June 3, 2025
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Friday, January 24, 2025
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问题：矿石经选别无用成分得到（）的产物常为尾矿。A、分离B、富集C、集中...
Tuesday, June 3, 2025
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问题：跳汰机常用在（）物料的选分作业上。A、粗粒B、细粒C、不均匀颗粒...
Friday, January 24, 2025
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Wednesday, January 22, 2025