Effect of stiffness of anticollision beam on dynamic characteristics of multi rope hoist overwinding
防撞梁刚度对多绳提升过卷动特性的影响
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application of overwinding buffer and supporting cage device used in vertical mine
立井提升过卷缓冲托罐装置的应用
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prevention of mis - operation on overwinding apparatus switch in combined hoisting gear
混合提升绞车过卷保护切换误操作的预防
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