熔接 fusion welding 压接 pressure welding 焊接过程 welding process 焊接技术 welding technique 焊接工艺 welding technology/procedure 焊接操作 welding operation 焊接顺序 welding sequence 焊接方向 direction of welding 焊接位置 welding position 熔敷顺序 build-up sequence/deposition sequence 焊缝倾角 weld slope/inclination of weld axis 焊缝转角 weld rotation/angle of rotation 平焊位置 flat position of welding 横焊位置 horizontal position of welding 立焊位置 vertical position of welding 仰焊位置 overhead position of welding 平焊 downhand welding/flat position welding 横焊 horizontal position welding 立焊 vertical position welding 仰焊 overhead position welding 全位置焊 all position welding 向下立焊 vertical down welding/downward welding in the vertical position 向上立焊 vertical up welding/upward welding in the vertical position 倾斜焊 inclined position welding 上坡焊 upward weld