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一、设计过程中的一些重要问题丹江口初步设计于1956年3月准备,同年7月正式开始设计,目前即将完成初步设计要点工作。
First, some important issues in the design process Danjiangkou preliminary design was prepared in March 1956, the same year in July formally began to design, is now about to complete the preliminary design points of work.