词汇	mother machine
释义	mother machine 工作母机
随便看	economic-demographic modelling economic demography economic density economic density of population economic department economic departments economic departments/branches of the economy economic dependence economic dependency economic dependency ratio economic depletion economic deposit economic depreciatioin economic depreciation economic depreciation rate economic depress economic depression Economic depression often follows war economic depression/slump Economic depression was stalking the continent Economic deprivation economic depth economic deregulation economic destruction economic deterioration