采用“ ”字型方案来铺设管道，此时总费用最小值为： Y的翻译："" Font scheme to the laying of pipelines, total cost of the minimum value is at this time: y 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

A "" type program to lay the pipeline, then the total cost of the minimum is: y

"" Font scheme to the laying of pipelines, total cost of the minimum value is at this time: y