图20、后几级低压涡轮工作叶片做成局部空心 在上世纪投入使用的几十型发动机中,却很少出现类似的故障,此一事实说明在发动机研制中提高发动机性能时,绝对不能忽略发动机的可靠性。我们在研制新发动机时,一定 ...
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