词汇	预习和复习功课
释义	预习和复习功课 prepare and review lessons
随便看	pressure vessel shutter pressure vessel site fabrication pressure vessels of shell gasification pressure vessel steel pressure vessel steels pressure vessel technology pressure vessel tower reactor pressure vessel, vacuum vessel pressure vessel wall pressure vessel with special closure member pressure vibration pressure viscometer pressure viscosimeter pressure viscosimetre pressure viscosity pressure viscosity characteristic pressure viscosity characteristics pressure viscosity coefficient pressure-viscosity coefficient pressure viscosity exponent pressure viscosity ratio pressure-viscosity ratio pressure void ratio curve pressure-void ratio curve pressure-volume