Total savings include lower power bills and a commensurate drop in green house gas emissions from coal-fired power stations, net savings on coke and coal usage and a longer electrode life span.是什么意思_Total savings include lower power bills and a commensurate drop in green house gas emissions from coal-fired power stations, net savings on coke and coal usage and a longer electrode life span.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句