Quite molten pool, little spatter and no undercut ensure workpiece be in good welding appearance.
2
这个焊口以宏观检查发现明显的气孔和超长的咬边。
This welded seam is found an obvious air hole and an unqualified undercut with macroscopic check.
3
介绍了汽车消声器纵缝咬边胀合技术及其咬边芯模机构的设计计算。
Expanding and closing technique of core-die of longitudinal seam occlusion machine for automobile silencer and design calculation of such mechanics have been introduced.