The types of nee 1ength rotten are introduced in this paper. According to the practical experiments, the author summarize the optimal bucking method to the tree length with rotten defects.

 
  • 本文從實(shí)際工作經(jīng)驗中總結出有腐朽缺陷的原條的合理造材方法,并根據了東京城林業(yè)局的實(shí)際情況,證明合理造材是提高經(jīng)濟效益的關(guān)鍵。
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