根据引黄涵闸工程的特点，提出其老化的概念，并建立了评价指标体系。
According to the characteristics of culverts and sluice gates in the Yellow River, the paper puts forward concept of ageing and sets up a system of evaluation indexes.
根据引黄涵闸工程的特点，提出其老化的概念，并建立了评价指标体系。
According to the characteristics of culverts and sluice gates in the Yellow River, the paper puts forward concept of ageing and sets up a system of evaluation indexes.
应用推荐