常见例句双语例句The invention discloses a vibrating screw feeder. A feed end of the screw feeder is provided with a spring seat and a dither motor.本发明公开了一种振动式螺旋送料机，它是在螺旋送料机的进料端安装有弹 簧座和高频振动电机。ip.com 返回 dither motor