单词	pipe friction
释义	pipe friction 管摩擦
随便看	transonic electric arc spraying transonic equation Transonic extraction transonic facility transonic fan transonic fan rotor transonic fighter transonic flight transonic flow transonic flow field transonic flow-field transonic flow over airfoils transonic flutter Transonic flutter test model Transonic Gasdynamics Facility transonic inlet transonicity transonic Mach number Transonic Model Tunnel transonic nozzle tran-sonic nozzle transonic pressure transonic pusher vehicle transonic range transonic regime