Y- servakujuga põkkõmblus, osaservatud V-õmblus (vt põkkõmblus; vrd V-põkkõmblus), a groove weld/butt weld in which the joint edge of each member is partly beveled from the same side i.e. Y-shaped weld is formed (see: groove weld/butt weld; compare: single V-butt weld)