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Design of four - bar linkage is emphasis and difficulty of hydraulic support.
四 连杆机构 的设计是液压支架设计的重点和难点.
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Discussion feasibility on using light hydraulic support from the practice of coal seam in Duerping mine.
从杜儿坪矿主采煤层的实际情况出发,论述了采用轻型支架的可行性.
Finally realize the stability and liability of the hydraulic support properties.
最终实现支架性能的稳定与可靠.
液压支架???
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