jam weld的用法和樣例：
例句
- In the experiments of this research, GTAW butts thin plates of stainless steel and forms a weld line.
摘要本研究以不鏽鋼薄板在惰性氣體鎢棒電弧焊對接焊方式進行研究。 - Some crack extension probably developed from the unfused section of the butt weld across the thickness of the stiffener during transport and erection.
有些裂紋可能在運輸和安裝過程中就從加勁肋對接焊未熔透處開始發展。
