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四月的古城西安,春光融融,春色迷人。四院院内的树树樱花,姹紫嫣红,争奇斗艳;枝枝柳丝,袅袅婷婷,婀娜多姿。大自然的神奇魅力,给中国固体火箭发动机研制生产基地增添了勃勃的生机。
In the ancient city of Xi’an in April, the spring is full of harmony and the spring is charming. The four-hospital tree in the cherry blossoms is bright and colorful, and is full of fierce competition. The magic of nature has added vitality to the development and production base of solid rocket motors in China.