The welding operations of welding robots mainly include ( ) A: spot welding B: arc welding C: flat welding D: Continuous welding
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 .
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
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
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
The simplest method of welding two pieces of metal together is _____ as pressure welding（） A: better B: not C: know D: familiar
The simplest method of welding two pieces of metal together is _____ as pressure welding（） A: better B: not C: know D: familiar
The functions of the welding slag contain:_____________、_____________and _____________。
The functions of the welding slag contain:_____________、_____________and _____________。
In Resistance Welding, the resistances include
In Resistance Welding, the resistances include
Write down two kinds of arc welding processes: nonconsumable electrode and two kinds of arc welding processes: consumable electrode in English
Write down two kinds of arc welding processes: nonconsumable electrode and two kinds of arc welding processes: consumable electrode in English
Which of the following is solid state welding? ( )
Which of the following is solid state welding? ( )
Welding tests are required in weldability analysis.
Welding tests are required in weldability analysis.