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为了在全国各地广泛推广新型灌注桩成孔机械与施工新技术,安排今、明年的生产计划,由国家建委设备材料局与施工局联合主持,于1980年8月21～25日在石家庄市召开了“新型灌注桩成孔机械推广与施工技术交流会议”,出席会议的有28个省市、9个部委和铁道兵、基建工程兵、海军工程兵的代表138名。 会议期间,代表们认真听取了中国建筑
In order to widely promote new types of borehole hole forming machinery and construction new technologies throughout the country, this year and next year’s production plan is co-hosted by the Equipment and Materials Bureau of the State Construction Commission and the Construction Bureau, and was held in Shijiazhuang City from August 21 to August 25, 1980. The “New Type Cast-in-place Pile Hole-forming Machinery Promotion and Construction Technology Exchange Conference” was attended by 28 representatives from 28 provinces and municipalities, 9 ministries and commissions, and 138 representatives of railway soldiers, infrastructure engineers, and naval engineers. During the meeting, delegates carefully listened to Chinese architecture