gas-vapor meaning in English

燃汽-蒸气
蒸汽燃气

The effects of interfacial resistance , superheating , free convection due to both temperature and concentration gradients , mass diffusion and thermal diffusion , and variable properties in both the liquid and gas - vapor regions were considered
分析中，考虑了相间阻力、液膜波动、蒸汽过热度、因温度和浓度梯度引起的自然对流、质扩散和热扩散以及物性的变化。