词汇	rope changer
释义	rope changer 换绳装置
随便看	economic value of life economic value of water economic value of water resource Economic value orientation economic value regularity Economic values Economic Values,Life economic variability economic variable economic velocity economic viability economic viable farm Economic Vicissitudes economic view economic view of future economic view of the people economic viewpoint economic vigor economic vise economic vision economizations economize economic vitality Economic volatility also galvanizes voters economic voltage