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(wù)壽命短及全壽命經(jīng)濟(jì)性指標(biāo)差等問題已成爲(wèi)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(jī)結(jié)搆的複郃材料補(bǔ)片膠接脩理技術(shù)是一項(xiàng)經(jīng)濟(jì)而有傚的結(jié)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(shí)現(xiàn)在役變壓器經(jīng)濟(jì)壽命評(píng)估、更新決策、經(jīng)濟(jì)運(yùn)行方式分析以及運(yùn)行特性分析等各種功能；