English translation for "upgrading of bridge and tunnel"

桥隧改造

Related Translations:

upgrading:  版本升级富集级进加积作用；叠积作用；提高品位浓集培训提升上等级升级换代提高等极提高等级选矿

upgraded:  提升

upgrade resistance:  上坡阻力

backbone upgrade:  基干升级

upgrading proposal:  职位升格建议

technological upgrading:  技术改造

upgrading training:  升级训练

mp upgrade:  对战升级档

upgrading ratio:  选矿比

octane upgrading:  辛烷值提级

Similar Words：

"upgrading hydrocarbon" English translation, "upgrading material" English translation, "upgrading of a road" English translation, "upgrading of an industrial structure" English translation, "upgrading of boiler weld" English translation, "upgrading of human resources" English translation, "upgrading of industies" English translation, "upgrading of industries" English translation, "upgrading of labor" English translation, "upgrading of mineral" English translation