weldorn.焊工weldv.焊接；使结合n.焊接；焊缝welding of lead铅焊welded- joint焊接接头welding goggles焊工护目镜,焊接护目镜,焊工保护眼镜welding deposit焊着金属,焊敷金属weld distortion焊接变形welding sleeves套轴welding furnace烧结炉welded by plate钢板焊接式welded impeller焊制叶轮welded pipeline焊接钢管