If the optimum density of forest road network is to be obtained in a piece of cutting area,the ways of yarding need optimum choosing.
林道网合理密度是相对于集材方式而言的,在一片伐区到最佳的林道网密度,进行集材方式的优。
If the optimum density of forest road network is to be obtained in a piece of cutting area,the ways of yarding need optimum choosing.
林道网合理密度是相对于集材方式而言的,在一片伐区到最佳的林道网密度,进行集材方式的优。
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