puddle welding 中文意思是什麼
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For the welding voltage doesn ' t change, so the arc length also will not change, and the arc will penetrate into the molten puddle, which will make the swing range small, so the fusion width will decrease
由於電壓沒有改變，所以弧廠也不變，導致電弧潛入熔池，使電弧擺動范圍縮小，就是促使容熔寬減小。 -
When the welding current is added, the quality of heat of the arc will increase, so both the volume of molten puddle and the depth of arc crater will all increase, and the weld depth will increase when the weld is cooling
焊接電流增加時，電弧的熱量增加，因此熔池體積和弧坑深度都隨電流增加，所以冷卻下來后，焊縫厚度就增加。
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