千长
千长-
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。
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 .
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成百上千公里的长篱笆横越澳大利亚。
Aloung fence runs for hundreds of kilometers across Australia .
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他们以南吴北齐之誉名贯海内外，是千年流长的中国绘画历史上伟大的艺术家。
They are sharing the reputation of " South Wu North Qi ", and both are the greatest artist in more than a thousand years of Chinese painting history .