单词	等效糙度
释义	等效糙度equivalent roughness
随便看	operatizes operatizing opera top operator operator a operator access area operator action operator-adjustable form operator algebra operator annunciator console limit switch operator-applied occurrence operator assisted call operator associativity operator authorization record operator authorization record，oar operator b operator cab operator cab (drivers cab) operator class operator command operator command function processor operator command function processor，ocfp operator command language operator command language--ocl operator command language，ocl