三、在引黄、汉水经北京到冀东,配合引滦开辟南北运河北中段、京塘运河、东北运河冀东营口段和京北运河的前提下,才能便于防洪排涝,形成为生产服务的航运网,配合井灌达到全面灌溉的目的。(1)引滦、引黄、引汉开辟以首都为中心的航远,才能有利于矿藏开发、工农业建设和防洪、发电问题。 Third, in the Yellow River, Han River through Beijing to Jidong, with the Duan Luan open north-south section of Canal North, Jingtang Canal, Canal East Hebei Yingkou section and the North Canal under the premise that in order to facilitate flood control and drainage, the formation of production services Shipping network, with well irrigation to achieve the purpose of full irrigation. (1) Diversion of the Luan River, the Yellow River and the introduction of the Han into the capital-centered navigable avenues will be conducive to mineral development, industrial and agricultural construction and flood control and power generation.