焊接用语（doc 20)

acetylene  乙炔
ampere  電流安培
angle welding  角焊
arc  電弧
argon arc welding  氬弧焊接
bare electrode 光熔接條
butt welding 對接焊接
cascade 階疊熔接法
clad weld 被覆熔接
crator 焊疤
excess metal  多餘金屬
filler rod  焊條
fillet weld  填角焊接
gas shield  氣體遮蔽
groove welding  起槽熔接
hand face shield  手握面罩
hard facing  硬表面堆焊
jig welding  工模焊接
laser beam welding  雷射光焊接

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