基本解釋三軌制英漢例句雙語例句According to Environment America, high-speed rail uses a third less energy per mile than auto or air travel, and a nationwide system could reduce oil use by 125 million bbl. a year.根據(jù)美國環(huán)境署資料，高鐵和汽車或者飛機(jī)相比每公里使用能源最少，而一個(gè)全國范圍的系統(tǒng)將能每年減少使用1.25億桶的石油。third-rail system更多例句專業(yè)釋義電子、通信與自動控制技術(shù)三軌制