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.
林合理度是相对于材方式而言的,在一片伐区上要得到最佳的林度,要材方式的优选。
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.
林合理度是相对于材方式而言的,在一片伐区上要得到最佳的林度,要材方式的优选。
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