水利部科技情报研究所新编《国外农田排水技术》、《排水试验》和《爆破振动对水工混凝土建筑物的影响》三个专题资料,现已印出,需要者可来函与情报发行组联系。《国外农田排水技术》的内容包括排水原理、地面排水、暗管排水、排水系统的施工和排水系统的管理。其中对暗管排水系统作了较详细介绍。全书约16万字,收成本费0.50元。 Ministry of Water Resources Institute of Science and Technology new “foreign farmland drainage technology”, “drainage test” and “blasting vibration on hydraulic concrete buildings,” the three special information has been printed, the need for communication and intelligence distribution group contact. The contents of “Foreign Farmland Drainage Technology” include principles of drainage, surface drainage, concealed drainage, drainage system construction and drainage system management. One of the tube drainage system made a more detailed introduction. The book is about 160,000 words, the cost of income 0.50 yuan.