熔透焊缝 melt thru weld ; melting through weld ; penetration weld
熔透焊道 penetration bead
透焊对接焊缝 penetrated butt weld
全焊透焊缝 full-penetration weld
深透焊接 deep penetration welding
全熔透焊缝 full penetration weld
未焊透焊缝 incomplete-penetration weld
部分焊透焊缝 partial penetration welding
焊透 complete penetration ; through-welding
通过对13 -5型马氏体不锈钢焊接接头进行等离子弧清根及碳弧气刨清根的比较，证明等离子弧清根对全焊透焊缝实施背面清根是可行的。
By comparing backgouging of plasma arc with carbon arc to the welded joint of 13-5 martensitic stainless steel, the backgouging of plasma arc is proved feasible for the full penetration weld.
采用有限元方法对一条含未焊透缺陷的压力管道进行了强度分析与安全评定。
By using finite element method, a pressure piping with incomplete welding flaw was analyzed in strength and assessed in safety.
本课题在分析常规弧焊技术特点的基础上，选取熔透式低频直流等离子弧焊电源作为成形的热源。
In basis of analyzing the features of the conventional arc welding technology, a DC low-frequency plasma welding power with fusion penetration is selected as the heat source for metal forming.
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