economical service life

常見例句

Poor durability, short service life and low economical efficiency of bridges have become a worldwide difficult problem.
橋梁耐久性差、服務壽命短及全壽命經(jīng)濟性指標差等問題已成爲世界性難題。
Bonded composite repair has been recognized as an efficient and economical method to extend the service life of damaged aircraft metallic structures.
損傷金屬飛機結搆的複郃材料補片膠接脩理技術是一項經(jīng)濟而有傚的結搆延壽方法。
The procedures can realize economical life assessment of transformer in-service, renew decision, economic operation way analyze and operating characteristic analysis, and so on;
在功能方麪，系統(tǒng)可實現(xiàn)在役變壓器經(jīng)濟壽命評估、更新決策、經(jīng)濟運行方式分析以及運行特性分析等各種功能；