缸筒焊接组合
cylinder welding assembly
筒体接管边缘应力区
boundary stress region of nozzle-cylinder
中径薄壁筒焊接
welding of medium-diameter thin-walled tube
不锈钢马氏体焊接
stainless-steel martensite welding
stainless steel martensite welding
负极集流体焊接
current collector and bottom plate spoting
焊接接头整体性
integrity of welded joint