Keywords sealed piggyback pod deformed thermal intensity aluminum alloy inclined rolling platen direct-current heliarc welding;welding seam tensile mechanical impact forging cold solidified colloid;

• 密封动力舱;变形热强铝合金;倾斜滚动压板;直流氦弧焊;焊缝拉伸;机械冲击锻打;冷固化胶;