“高等级公路中线放样测量新方法”一文在《公路》1990年第6期上刊登后,‘新方法’很快得到了全国有关单位的应用和一致好评,先后有不少同行写信询问有关问题。此间,正值TQC在全国勘测设计单位蓬勃深入开展,我院接连承担广东深汕线、安徽合铜线、312南环线的设计任务,我们放线QC小组结合生产实践,运用TQC的理论和方法,不断进行PDCA循环,取得了“公路中线放样标准化”的成果,使公路中线放样在理论和实践上都达 After “Highway” published in the sixth issue of 1990, the “new method” was quickly applied and praised by relevant units nationwide. Many colleagues wrote letters asking about the new method problem. During this period, TQC was booming in the national survey and design institute. Our institute undertook the design task of Guangdong Shantou Line, Anhui Copper Line and 312 South Link successively, and we combined the production practice of TQC with the theory and method of TQC , Continuous PDCA cycle, obtained the “standardization of highway centering,” the results of the highway centering in both theory and practice up to