A.0.8DL B.0.86DL C.0.8DL+0.2 D.0.86DL+0.2
A.綁扎搭接 B.焊接 C.機(jī)械連接 D.熱熔
A.無(wú)裂紋、無(wú)氣孔 B.無(wú)夾渣 C.咬邊深度不大于0.5mm D.焊縫表面平整,無(wú)焊瘤