常见例句雙語例句The gear rim , gear wheel and screw pole screw pairs of open-close draw stem drive the right and left valve body to clamp and release.啓閉推杆通過齒圈、齒輪和絲杆螺鏇副敺動左、右閥躰完成松開、夾緊動作。 返回 wheel rim clamp