PO説的是充氣壓力。
預充氣壓力計算PO=0.9P1(P0的極小值:P0min≥0.25P2P0max≤0.9P1)消除脈動和減震P0=0.6~0.75Pm或P0=0.8P1液壓緩衝P0=0.6~0.9Pm蓄能器+氣瓶PO=0.95~0.97p1