应我院飞机系的邀请,美国直升机专家格林那(Grina)偕夫人于3月10日来我院,进行为期三个月的讲学活动。 格林那先生是美国著名的直升机专家,在世界直升机界也有一定威望。他在波音公司从事直升机设计工作40余年,从一名设计员逐步晋升为该公司主管技术工作的副总裁。他主持 At the invitation of our hospital’s aircraft department, Mrs. Grina, a helicopter specialist from the United States, came to our hospital on March 10 for a three-month lecture. Mr. Greena is a famous helicopter expert in the United States and has certain prestige in the world helicopter community. He has been working in helicopter design for more than 40 years at Boeing and has been gradually promoted from a designer to the vice president of technical work for the company. He presided over