... and right sets of the inner cavity are consistent with the helical screw alveolus. Taking into account the increase of the connecting ... groove, 12, screw, 13, interconnect, 14, interconnect. Specific way of implementing As shown in Figure 1-5, a plate connector, which is characterized ... 13, will lift off panels 5 and mating with each other left and right sets of 2,3 on the surface of 90 ...