... profile of fillet weld填角焊缝轮廓 progress of weld焊向 projection weld凸焊; 凸焊焊缝 ...
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焊接方向 welding direction ; direction of welding ; welding progress ; progress of welding
横向焊缝 transverse weld ; cross weld ; horizontal weld ; horzontal position welding
左向焊 forehand welding ; forward welding ; leftward welding
立焊向上 Erect welding of up ; The welding upward
向上立焊 vertical up welding ; vertical upward welding ; rewelding ; vertical up position welding
向下立焊 vertical down welding ; vertical downward welding ; vertical down position welding ; vertical up welding
反向焊 backward welding ; backstep welding
逆向焊 backhand welding ; backstep welding
横向焊接 horizontal welding
结果表明，随激光功率增大和焊接速度降低，复合焊与单一激光焊焊缝的横截面形貌均由钉形向近X形转变。
It showed that the weld cross section with both laser welding processes transformed from nail shape to near X shape with increase of laser power and decrease of welding speed.
下向焊这种焊接新工艺在国内已广泛用于长输管道的焊接。
A new welding technique on down-welding has been widely used in welding of long distance pipeline.
重点论述了前向兼容与后向兼容、锡须、空洞与微空洞、可焊性涂层以及如何避免无铅转移中出现的问题。
The forward compatibility backward compatibility tin whisker voids micro-voids and surface finishes were emphasized and how to avoid the lead free transfer problems were reviewed.
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