A choke shape design is used for obtaining the satisfactory weld joint.

采用缩口的接触型式，能获得满意的电阻焊接头。

The invention has good weld joint molding effect and uniform weld joint reinforcement.

本发明焊缝成型效果好，焊缝余高均匀。

All butt, grooved t, and corner joints shall be complete joint penetration weld joints.

所有对接、T型槽和弯管接头都要完全侵入连接到焊接接头上。

Therefore, the weld joint is the most significant point in the weld-quality-controlling.

因此，该处对于焊接质量的控制就成为很重要的位置。

If applied to a 1 in thick weld joint, the welding symbol below describes what type of weld?

如果应用于 1 英寸板厚的焊接接头 ，以下焊接符号表示的是什么焊缝类型?。