spot weld的用法和樣例：
例句
- An engineering calculation method of spot weld fatigue life prediction is introduced.
摘要介紹一種焊點疲勞壽命預測的工程計算方法。 - The analysis can simulate the fatigue test in braking condition and find the potential problem of the intension and durability of the whole crossmember and spot weld.
通過分析，可以預測模擬制動工況的疲勞台架試驗中副車架本體及焊點可能出現的強度及疲勞問題。
