词汇	bias flow
释义	bias flow 偏压流
随便看	single pedicel single pedicle flap single pedicle separartion flap single pellet reaction single pendulous gyro compass single pendulum single pendulum system Single pendulum vibration graph demonstration single-pendulum-weight apparatus single penetration Single Penetration Test single pen online recorder single-pen plotter single-people single perceptron single-perforated grain single perforated plate single period single-period single-period equilibrium single periodic block single-period model single-period problem single-period product single-period random demand