老三届顺义县杨镇一中刘振华用纯洁铸造心灵用忠勇磨练情感在特殊的年代铸就非凡的经历数不尽的坎坷流不完的汗滴曾用冲动书写心愿曾用镢头叩问荒山收获了苍苍凉凉的疑虑播下了岁月的辛酸受了伤的翅膀依然载着沉重的誓言老三届就是老三届从未放弃信念降低尊严已是半个世纪... The third old Shunyi County Yang Zhenyi Zhong Liu Zhenhua used pure casting to use the spirit of loyalty to temper his emotions to create extraordinary experiences in a special era. The endless bumps of endless flow of sweat have written impulses with impulses. The cool, cold doubts sowed the bitterness of the years. Wounded wings still carry a heavy vow that the old three years have never given up their faith to reduce dignity for half a century...