All butt, grooved t, and corner joints shall be complete joint penetrationweld 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。
2
The weld can performed free of porosity for full penetrationweld when proper surface treatment processing prior to welding is employed.
采用合理的焊前表面处理工艺、全熔透焊接可获得无气孔的焊缝。
3
The calculating formulas of top and bottom pool-surface deformation in TIG full-penetrationweld pool is developed based on principles of fluid mechanics and variation calculus.