单词	ventilation efficiency
释义	ventilation efficiency 通气效率
随便看	emission characteristic of multielectrode tube emission characteristics Emission Characteristics Monitor emission-computed emissi on-computed emission computed assisted tomography emission computed axial tomography Emission-Computed Single-Photon Tomography Emission-computed tomgrapby Emission Computed Tomography emission-computed tomography emission computed tomograpy emission computer emission-computer Emission-computer emission computerized axial tomography emission computerized tomographic emission computerized tomographicscanner emission computerized tomography emission computerr emission-computor emission concentration emission concentration standard emission constant emission constraints