求翻译：欢迎来到兰州大学第一医院交流学习！兰州大学第一医院经过半个多世纪的发展，医院规模逐步壮大，现已成为一所集医疗、教学、科研、预防、保健、康复、急救为一体的大型综合性“三级甲等医院”。是什么意思？

Welcome to the First Hospital of Lanzhou University exchange of learning! First Hospital of Lanzhou University, after more than half a century of development, hospital size has gradually increased, which has become a set of medical, teaching, research, prevention, care, rehabilitation, first aid, as

Welcome to the Lanzhou University Hospital exchange study! The Lanzhou University Hospital after more than a half-century of development, the hospital size, step-by-step growth has now become a set as a medical treatment, teaching, scientific research, prevention, care, rehabilitation, first aid for

正在翻译，请等待...

Welcome to the first hospital of Lanzhou University exchange study! The first hospital of Lanzhou University after more than half a century of development, hospital size gradually growing, has now become a medical treatment, teaching, research, prevention, health care, rehabilitation, emergency as o

Welcome to arrive the Lanzhou University first hospital exchange study! The Lanzhou University first hospital passes through more than half century development, the hospital scale expands gradually, already became a collection medical service, the teaching, the scientific research, the prevention, t