A、負(fù)壓 B、表壓 C、真空度 D、絕對(duì)壓力
A、P表壓=P大氣壓力–P絕對(duì)壓力 B、P表壓=P絕對(duì)壓力–P大氣壓力 C、P真空度=P大氣壓力–Psub>絕對(duì)壓力 D、P真空度=P絕對(duì)壓力–P大氣壓力
A、P表壓=P大氣壓力–P絕對(duì)壓力 B、P表壓=P絕對(duì)壓力–P大氣壓力 C、P真空度=P大氣壓力–P絕對(duì)壓力 D、P真空度=P絕對(duì)壓力–P大氣壓力