To weld and repair the aircraft landing gear by manual TIG welding instead of shielded metal arc welding(SMAW welding)which is used in air unit now is tentatively discussed.

• 对用手工TIG焊方法代替目前航空部队采用的手工电弧焊(SMAW焊)修理飞机起落架进行了初步探讨,并经试验得出了TIG焊的最佳焊接工艺。