三角铁能焊接成什么作品全集_百度知道您可能还感兴趣产品
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您可能还感兴趣的其他内容,直径为85的圆环用三根三角铁焊上,三角铁长490,两边宽50厚6.三根三角铁支起后下面成直径500问:三角铁和圆接触面需要磨多少角度
烦恼丝XLqm0
因为是用手机,所以不能给你示意图!直接附上答案—65度也就是三角铁长的方向与地面的夹角!
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