The functions of the welding slag contain:_____________、_____________and _____________。
举一反三
- Which of the following functions does not contain any errors?
- The welding operations of welding robots mainly include ( ) A: spot welding B: arc welding C: flat welding D: Continuous welding
- Welding processes are generally classified into three basic categories: fusion welding、solid-state welding and .
- Small welding current is generally recommened for arc cold welding of castings due to （ ）. A: Small melting depth B: Small dilution C: Small heat input D: Small welding stress
- 下图所示为用低碳钢薄板冲压-焊接而成的汽车油箱，该油箱可采用的焊接方法是： [img=700x625]1803d336c52a53a.jpg[/img] A: submerged arc welding B: spot welding C: seam welding D: upset welding