基本解釋滿對接銲英漢例句雙語例句Butt welds qualify full and partial penetration butt welds and fillet welds. Fillet weld tests shall be required where this is the predominant form of production welding.對接銲縫可評定全銲透和部分銲透對接銲縫和角銲縫,儅角銲縫是産品的主要銲接接頭形式時,需要用角銲縫試騐評定。full penetration butt weld更多例句專業(yè)釋義機械工程滿對接銲