The development of high-efficiency multi-wire submerged arc welding technology in bridge engineering has been limited due to the high mechanical performance standards required. In this paper. weld metal was obtained by welding at three different high heat inputs with the laboratory-developed high-efficiency submerged arc welding wire for bridges. The effect of changing different high ... https://safeersappliancers.shop/product-category/best-hood-be-ge-65-wh-copyright-65-cm-island-cooker-hood-white/