翻译:平稳流定常流 同义词1)stationary flow,平稳流定常流2)permanent flow,稳定流动;稳定流，定常流3)constant flow,稳定流，定常流4)stationary flow,稳定流;定常流;稳流5)steady flow,稳定流;定常流;;稳流6)steady flow,稳流，定常流动