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 brich 添加此单词到默认生词本
n. 桦树

  1. The annual growth of diameter of unit area increased along with the density descending of the polar and brich forests.
    山杨林和白桦林单位面积胸径年生长量随经营密度的增加而减少;
  2. Result shows that birch forest type was unstable, and a good natural regeneration occurred when the brich stand was surrounded by secondary forests.
    结果表明,白桦林是一个不稳定的次生林型,在大片次生林中的白桦林天然更新非常好,现在硬阔已进入演替层;
  3. This paper introduces the application effects of air cooling and preheating and standard tuyere brich as well as double air box tornado on the cupola.
    介绍了空冷、预热、标准化风口砖及双风箱龙卷风供风在冲天炉上应用的效果;



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