repair welding的用法和樣例：
例句
- The ingot repairing welding technology being one of important measures improving ingot mould service life is put forward.
指出鋼錠饃焊補技術是提高鋼錠模使用壽命的重要措施之一。 - Electric discharge machining, creping, and blasting are possible after welding, as well as heat-treating and nitriding.
焊補后的模具可進行放電加工，熱處理及滲氮處理等。
