气体化合物 meaning in English

gaseous compound

Air quality . stationary source emissions . manual method of determination of hci . part 2 : gaseous compounds absorption
空气质量.稳定源辐射. hci的手工测定方法.第2部分:气体化合物吸收
Rubber and thermoplastics hoses and hose assemblies for liquid or gaseous chemicals - specification ; german version en 12115 : 1999
液体或气体化合物用橡胶和热塑性软管及软管组件.规范