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Arc welding refers to the use of electric arc as a heat source, using the physical phenomenon of air discharge, to convert electrical energy into thermal and mechanical energy required for welding, thereby achieving the purpose of connecting metals. The main methods are electrode arc welding, submerged arc welding, and gas protection. Welding, etc., it is currently the most widely used and most im...
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In European and American countries, a leisure life in outdoor and marine is one kind of fashion culture. In Summer, People enjoy surfing, diving, sea fishing and motorboat game etc.Lithium-Ion batteries have been extensively used in Underwater robot. They provide more compact energy density, more power, more duration and more safety. Superpack has been put into R&D and accumulated lot of exper...
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