那么这个数字是所有运费总和啰？

And this figure includes all transportation costs. Is that right?

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那么这个数字是全部运费总和啰？

And this figure includes all transportation costs. Is that right?

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按剥离物运费和重复剥离费用总和最小的原则得出确定条区合理宽度的方法和表达式。

Furthermore, methods and equations for determining the rational width of the mining section based on the principle of minimizing the total cost of the tra...

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