[0021] The information of the existing creation will likely be explained beneath at the side of distinct embodiments. Fig. two is bed die provided by the embodiment on the utility design and pedestal connection schematic diagram； CN114104261AReduce structural weightImprove bending and torsional performanceSpars/stringersFlight vehicleStructural engineering เสาเข็มคอนกรีตเสริมเหล็กอัด... https://sparkyi702ilo9.wikinstructions.com/user