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阐述了研制开发HZSN型竖井提升多功能保护装置的必要性,介绍了该装置的主要性能参数、构成和工作原理,通过现场应用证明具有广阔的推广前景。
The necessity of developing HZSN type shaft hoisting multifunctional protection device is expounded. The main performance parameters, constitution and working principle of this device are introduced. It has a broad promotion prospect through field application.