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F-22战斗机装配生产线经过改进,从2004年装配完成需用16个月,缩短到2005年只需12个月,将来还会进一步缩短
F-22 fighter assembly production line has been improved, from 2004 to complete the assembly takes 16 months, reduced to only 12 months in 2005, the future will be further reduced