引弧    striking arc

焊条引弧端    striking end (of an elcetrode)

引弧电压    striking voltage

定位板    strong-back

螺柱焊    stud welding

埋弧压力焊    submerged arc pressure welding

埋弧焊    submerged arc welding (SAW)

埋弧焊机    submerged arc welding machine

置换氧化    substitutionary oxydation

超塑成形扩散焊    supperplastic forming diffusion bounding

表面粗糙化处理    surface roughening

躺板极堆焊    surfacing by fire cracker welding

堆焊焊条    surfacing electrode

堆焊焊丝    surfacing welding rod

带极堆焊    surfacing with band-electrode

对称碰撞    symmetrical impact

同步断续器    synchronous contactor

热影响区模拟试验    synthetic heat-affected zone test