此稿原为铁道部第三设计院大连办事处,在第一个五年计划期间,进行东北森林地区的勘察设计工作以后所作的总结经验。鉴于目前森林公路方面的基建工作逐渐增加,因而摘录一些与公路修建有关的问题,以便读者参考。 This manuscript originally was the Dalian Office of the Third Design Institute of the Ministry of Railways. During the first five-year plan, he summarized his experiences after conducting survey and design work in the northeast forest area. In the light of the gradual increase in infrastructural work in the area of ​​highways, some excerpts related to the construction of highways have been extracted for readers’ reference.