短語(yǔ)詞組短語(yǔ)rate of oil saving 節(jié)油率rate of power saving 節(jié)電率rate of fuel saving 節(jié)油率the rate of resources saving 資源減少率the rate of coal saving 節(jié)煤率contribution rate of energy saving 節(jié)能貢獻(xiàn)率rate of sphincter -saving 保肛率 返回 rate of saving