Notice of Retraction: Study on fully mechanized caving face end or foreside supporting system

The end of fully mechanized caving face is keystone and difficulty on protecting and managing the top. The effect on supporting the end of work face is very importment to mechanical and electrical machine, and very importment to workers' safety. The text analyze the problem of supporting the end at present, and Aiming at these problem, reach and manufact the fully mechanized caving face supporting system, then introducing the system's whole structure and control mode and key components particularly.