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.
林道合理密度是相对于集材方式而言的,片伐区上要得到最佳的林道密度,需要进行集材方式的优选。
helicopter yarding
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.
林道合理密度是相对于集材方式而言的,片伐区上要得到最佳的林道密度,需要进行集材方式的优选。
声明:以上例句、词性分类均由互源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。