为钻孔灌注桩施工研制潜水式工程电钻成孔机,是国家建委下达的一项专题科研任务。在天津市建委统一领导下,由交通部第一航务工程局、河北省新河县农机二厂共同组成潜水式工程电钻成孔机研制试验小组,在批林批孔运动和学习无产阶级专政理论的推动下,各有关单位团结协作,坚持设计、制造、使用及工人、干部、科技人员两个三 For the construction of cast-in-place bored pile submersible engineering electric drilling machine, is a special scientific research mission issued by the State Construction Commission. Under the unified leadership of Tianjin Municipal Construction Commission, the first pilot project of the Ministry of Communications and the Agricultural Machinery Plant No. 2 in Xinhe County of Hebei Province jointly formed a pilot group for submersible engineering electric drill hole-making machine. After criticizing the movement of holes and holes and learning the theory of dictatorship of the proletariat Under the impetus of the relevant units unity and cooperation, adhere to the design, manufacture, use and workers, cadres, scientists and technicians two three