large-area welding 大面积焊接

ratio of welding area 焊着率

Welding Area 焊接面积 ; 点焊区

area of welding layer 焊层面积

micro-area pulse welding 微区焊接

welding-line area 焊缝区

micro-area pulse spot welding 微区脉冲点焊

welding coarse crystal area 焊接粗晶区

pulse spot welding in micro-area 微区脉冲点焊