pro.pi.on.al.de.hyden.(名词)A flammable liquid, C2H 5CHO, used in the manufacture of plastics and rubber chemicals. 丙醛:一种可燃性液体,化学式为C2H 5CHO,用于塑料和橡胶化工品的生产 来源:propion(ic acid) propion(ic acid)aldehyde aldehyde