economy jet省油量孔
economyn.经济;节约adj.经济的;廉价的
economy of concentration集中经营的经济节约
economy operation system经济运行机制
economy carrying capacity经济承载力
economy development grade经济发展层次
economy of the hinterland腹地经济
economy development level经济发展水平
economy-type carbureter省油汽化器
economy at county-level县域经济
economy in mountain areas山区经济
economy of Jilin Province吉林省经济