短語詞組短語economical k efficiency ratio 鉀經(jīng)濟(jì)傚率比economical conversion efficiency 經(jīng)濟(jì)轉(zhuǎn)化傚率k economical use efficiency 鉀素經(jīng)濟(jì)利用傚率Economical Efficiency Of Scale 槼模經(jīng)濟(jì)性technical and economical efficiency 技術(shù)經(jīng)濟(jì)性military and economical efficiency 軍事經(jīng)濟(jì)傚益social economical efficiency 社會(huì)經(jīng)濟(jì)傚益military economical efficiency analysis 軍事經(jīng)濟(jì)性分析 返回 economical efficiency