economical of

短語詞組

economical source of crimes 對(duì)犯罪的經(jīng)濟(jì)來源;罪行的經(jīng)濟(jì)的來源;犯罪的經(jīng)濟(jì)來源
economical operation of reservoir 水庫(kù)經(jīng)濟(jì)運(yùn)行
economical use of labour 節(jié)約
Economical use of paper 節(jié)約用紙
economical organization of agriculture 農(nóng)業(yè)經(jīng)濟(jì)組織
economical elites of rural 農(nóng)村經(jīng)濟(jì)精英
economical action of protein 蛋白質(zhì)節(jié)約作用
economical effects of information 情報(bào)經(jīng)濟(jì)效益
economical life of tractor 拖拉機(jī)經(jīng)濟(jì)壽命