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立井摩擦提升中,提升系统的运行是依靠首绳与摩擦轮间摩擦力来实现的,提升首绳的安全与否直接关系到提升安全,危及乘员生命。按时更换首绳是提升安全的重要保障。
Vertical shaft friction to enhance the system to enhance the operation depends on the friction between the first rope and the friction wheel to achieve, to enhance the safety of the first rope is directly related to the promotion of safety, endanger the life of the crew. Timely replacement of the first rope is an important guarantee for safety.