back flow pressure背压
back-pressure regulator回压调节器
back-pressure manometer反压压力计;背压压力计
back-pressure operation翻译;背压操作
back-pressure manometre背压压力计
back - pressure chamber背压腔
back-pressure fluctuation背压波动
back-pressure cavity背压腔
double back-pressure双背压
N（名词） the pressure that opposes the motion of a piston on its exhaust stroke in an internal-combustion engine 背压
N（名词） the exhaust pressure in external combustion engines (外部内燃机的)排气压力