短語詞組短語economically feasible premium 經(jīng)濟(jì)可行的保費(fèi)economically feasible hydropower resources 經(jīng)濟(jì)可開發(fā)的水能資源economically feasible detail 經(jīng)濟(jì)上郃算feasible economically 經(jīng)濟(jì)上可行的 返回 economically feasible