double side welding

例句：

1. 1. The double side welding of the steel beam is crucial for its strength and durability.
   钢梁的双面焊接对其强度和耐用性至关重要。
2. 2.In the construction industry, double side welding is used to ensure the integrity of structural elements.
   在建筑行业中，双面焊接用于确保结构元件的完整性。
3. 3.The engineer carefully examined the double side welding of the bridge structure to ensure its safety.
   工程师仔细检查了桥梁结构的双面焊接以确保其安全。