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通过对比CFM56-3和CFM56-7高压涡轮段的差异,详细介绍了CFM56-7高压涡轮转子叶片前缘和后缘孔探检查中内窥镜的选择、缺陷判断方法以及放行标准。
By comparing the differences of CFM56-3 and CFM56-7 high pressure turbine sections, the selection of endoscopes, the method of defect judgment and the release criteria of CFM56-7 high pressure turbine rotor blades in the leading and trailing edges were introduced in detail.