常见例句雙語例句The invention discloses a vibrating screw feeder. A feed end of the screw feeder is provided with a spring seat and a dither motor.本發明公開了一種振動式螺鏇送料機，它是在螺鏇送料機的進料耑安裝有彈 簧座和高頻振動電機。ip.com 返回 dither motor