When the slenderness ratio is less than 1/2 or the hot compression stress is not bigger than the wet compression strength of the molding sand, the rat tail should never come into being.
英
美
释义
当千砂层长细比小于1/2或热压应力不大于水分饱和凝聚区的湿压强度时,绝不可能产生鼠尾。
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