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        hydraulic cylinder barrel has perfect dimensions, the side guard plate deformation does not exceed, and the push-pull rod bends per meter. Hydraulic cylinders include various types of column jacks. Marking, packaging, transportation and storage The packaging, transportation and storage of products are carried out.
        hydraulic cylinder types are divided into thin coal seam supports, medium thick coal seam supports and thick coal seam supports according to the applicable mining height. Structural characteristics and working principle 3. The column consists of a movable column component, a cylinder component, a cylinder mouth guide component and a mechanical extension component, a bottom valve and other connecting components. Therefore, the protective beam is required to have sufficient strength and stiffness. It is the pressure curve displayed by the ground monitoring computer.
        Hydraulic cylinder barrel Minor scratches can be repaired with gauze. warn! It is strictly prohibited to make any changes to the bracket at will, as this may reduce safety. The projected characteristic shortening of a straight plane.