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Welding tool is a process in which a material with certain properties is clad on the surface of the workpiece by welding. The difference from welding is that surfacing welding is not for connecting workpieces
2022/9/9 15:34:57
After more than 30 years of reform and opening up, my country's economic development has achieved world-renowned achievements. Its economic aggregate has jumped to the second place in the world
2022/9/9 8:43:36
