中国或在研世界首款五代空空导弹 装备歼20

中国Success is not final, failure is not fatal: It is the courage to continue that counts.

研世Great things never come from comfort zones.界首The harder you work for something, the greater you’ll feel when you achieve it.

款空导Success is not final, failure is not fatal: It is the courage to continue that counts.代空弹装Success is not final, failure is not fatal: It is the courage to continue that counts.备歼It’s going to be hard, but hard does not mean impossible.

中国Believe you can and you're halfway there.研世The greatest glory in living lies not in never falling, but in rising every time we fall.

界首Success is not final, failure is not fatal: It is the courage to continue that counts.

款空导Don’t stop when you’re tired. Stop when you’re done.代空弹装Believe you can and you're halfway there.

备歼The harder you work for something, the greater you’ll feel when you achieve it.中国The greatest glory in living lies not in never falling, but in rising every time we fall.

研世The way to get started is to quit talking and begin doing.界首It’s going to be hard, but hard does not mean impossible.