词汇	pressureandvacuum release
释义	pressureandvacuum release n.呼吸阀
随便看	sound powered telephone sound-powered telephone sound powered telephone set sound-powered telephone set sound-powered telephone system sound power level sound power level measurement sound power measurement sound power of a source sound power reflection coefficient sound-power telephone sound power telphone set sound power transmission coefficient sound power value sound-powor level sound prediction Sound presentation rate sound pressure calibration sound pressure calibration method sound pressure compensation method sound pressure correction sound pressure difference sound pressure distribution sound pressure energy sound pressure equalization