常見(jiàn)例句noun [ U ]The Centre has approved projects worth about Rs 40 crore for the upgradation of industrial estates in the city. 中心批準(zhǔn)了價(jià)值4億盧比的專案，對(duì)城內(nèi)的工業(yè)區(qū)進(jìn)行陞級(jí)改造。 返回 upgradation