雷德蒸汽压的请教? reid vapor pressure (rvp) is a common measure of the volatility of gasoline. it is defined as the absolute vapor pressure exerted by a liquid at 100 °f (37.8 °c) as determined by the test method astm-d-323. 也就是说雷德蒸汽压一般只用来描述汽油 冬天汽油的rvp是9~15 psi,夏天值是8~10 psi. 查看更多