When the higher power arc is of the submerged arc type, the fluxpowder covering the weld metal pool must also be supported against the effects of gravity.
当高功率的弧是埋弧类型，通量粉末覆盖焊缝金属池还必须支持对重力的影响。
3
Factors, which must be taken into consideration, include the type of alloy, the size of the solder powder and the type of flux.