The grind sharpened Angle of tungsten electrode, the diameter of end face and welding parameters that are important for welding are introduced from theory to application.
对与焊接至关重要的钨极高磨尖角度、端头直径，焊接规范参数从理论到应用予以介绍。
In the middle of it rose two great stones, worn and sharpened at the upper end, until they looked like the huge corroding fangs of some monstrous beast.
空地中央矗着两块大石，顶端已被风化得成了尖形，很象是什么庞大的野兽的被磨损了的獠牙。
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