ripple tank的相關資料：
臨近單詞
ripples
ripple
ripple laminae in-drift
ripple electromotive force
Ripple of the input current
rippleminimum torque control
ripple and noise attenuation
ripple coefficient of voltage
ripple-carry binary counter
Ripples Across Stagnant Water
Ripple-wall waveguide launcher
ripple wall heat collection equipment
