词汇	economy life
释义	economy life 经济寿命
随便看	mission of national park mission of patent agency mission of psychological mission of public institutions Mission of scheduling reconnaissance satellite mission of the age mission of the course mission of the university mission operability Mission Operating Directive Mission Operational Controller Mission Operation Computer Mission Operation Control Room Mission Operations Center Mission Operations Complex Mission Operations Director Mission Operations Intercommunication System Mission Operations Manager Mission Operations Plan Mission Operations Planning Room Mission Operations Planning System Mission Operations Report Mission Operation System mission operation working group mission operation working groupmowg