9.Excavate coal is primary production link in coal mine production, therefor, Weaving excavate coal working face supersedure plan has instructional meaning.
11.Materials for sling: terylen tape, nylon tape, elastomer thread, PVC tape, etc, having processes of noctilucence, fluorescence, repercussion, jacquard weaving by computer, etc.
12.Based on the comparison, the gap lies in: twisting and setting of both organzine and tram before weaving, scouring and alkali deweighting, and la...
13.It uses the high strength helenienne,weaving the grid gray cloth after the warp knitting of longitude and latitude direction,and through overlaying and processingprocesses to making geogrid.