30 元券联轴器键槽连轴膜片¥587.20去看看d[s433668820]发布了。光之大GSTB45#钢台阶单膜片联轴器八螺丝高刚性键槽连轴器CPSHW3 元券联轴器厂家CPSWWKCPSHW¥121.60去看看腾杜商贸发布了厂家CPSWWK35/65/87/56/68-19-20/18/22/25/15/30/1U4联轴器CPSHW