... 8枝branch 9主枝径main branch diameter 10株高plant height ...
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main branch diameter
主分支直径
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The formula to calculate the diameter of branch pipes and ellipse girth was given when the diameter of main pipe is known or reverse to resolve, discussed calculation accuracy.
给出了由已知主管相贯线处直径确定分支管直径和椭圆周长或反向求解的计算公式，讨论了精度。
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