1. 焊剂：焊丝 welding wire | 焊剂 welding flux | 球墨铸铁 nodular cast iron
2. 焊接溶剂：backstep welding分段退焊(法) | symmetrical对称焊 | welding flux焊接溶剂
3. 焊[接]剂：重量吨 weight ton | 焊[接]剂 welding flux | 添板焊接 welding of splice
4. 焊药：welding flame 焊接焰 | welding flux 焊药 | welding generator 电焊发电机