使用孔探仪从内部检查燃烧室( )
A.Use a hole instrument to examine the turbine internally. B.Use a borescope to examine the combustor internally. C.Use a hole instrument to examine the combustor externally.正确答案B
使用孔探仪从内部检查燃烧室( )
A.Use a hole instrument to examine the turbine internally. B.Use a borescope to examine the combustor internally. C.Use a hole instrument to examine the combustor externally.正确答案B
