1)FA;fuel-air ratio,燃料-空气比2)FA = fuel-air ratio,燃料-空气比3)fuel air ratio,燃料空气比4)fuel air ratio control,燃料空气比调节5)fuel-air ratio control,燃料-空气比控制6)fuel air ratio,燃料-空气比例，风煤比，燃料空气比7)fuel-air ratio indicator,燃料-空气比指示器8)fuel-air ratio controller,燃料空气比调节器9)fuel-air ratio indicator,燃料空气比指示器10)mixture ratio,混合物组成比，燃料空气比，组分混合比;混合比
