直径计算值电位器读数电位器转动值角度R1213213759108148.645282277.47627187796343.335R230530592291841.31404402.443027107276834.56R3457457115368730.915COSASinA56.928164680.6607225260.7506302310.7273536790.6862627960.751148930.6601327780.8235325980.5672689490.8579304320.513765875(R22-R12)/(R32-R12)0.291509665H0.032938394G0.021449204tanβ1.535646441b*c899478.6556Z1825559.881(Z2-4K2)0.5310518.0719M757520.90471068038.977b870.35676861033.459712c1033.459712870.3567686