搜索结果: 1-1 共查到“林业经济学 Extraction”相关记录1条 . 查询时间(0.187 秒)
Technical and Economical Analysis of Short Distance Koller K 300 Yarder Used for the Extraction of Timber in Artvin Region
Technical and Economical Analysis Short Distance Koller Extraction Timber Artvin Region
2009/1/15
The method used in transportation of raw forest products can be performed in two phases. The first phase is called " the minor transportation" which is the extraction and hauling of the logs from the ...