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为了促进和提高我国林用集材索道的设计能力与水平,林业部哈尔滨林业机械研究所于今年4月份从美国引进一套最新的林用集材索道计算机设计资料与软盘。该套设计资料系美国在1987～1988年陆续
In order to promote and improve the design capability and level of China’s timber timber ropeways, Harbin Forestry Machinery Research Institute of the Ministry of Forestry introduced a set of latest computerized design data and floppy disks for timbering ropeway from the United States in April this year. The set of design data from the United States in succession from 1987 to 1988