三维建模软件：catia(catia v5 r20) 小编们发的动图，没事就画画！ parallelogram mechanism-01.CATPart(70.05KB)，parallelogram mechanism-02.CATPart(74.74KB)，parallelogram mechanism-03.CATPart(144.02KB)，parallelogram mechanism-04.CATPart(150.78KB)，parallelogram mechanism-05.CATPart(142.18KB)，parallelogram mechanism-6.CATPart(144.26KB)，parallelogram mechanism-7.CATPart(142.2KB)，parallelogram mechanism.CATProduct(88.89KB)