词汇	vertical flow velocity
释义	vertical flow velocity 垂直流动速度
随便看	two frame gyroscope two-frame laser gyroscope two-frame phase shift algorithm two-frames two freedoms ptn two free end saddles two free-end saddles two freight cars of goods two frequencies.frequency conversion generator two frequencies variable frequency generator two-frequency two-frequency-bins based separation two frequency calling channel two-frequency calling channel two-frequency channel two frequency coincidence addressing sch two-frequency coincidence addressing scheme two frequency current selection two-frequency current selection two-frequency C-V measurement two-frequency dialing two-frequency dialling two frequency duplex two-frequency duplex Two frequency eddy current testing