| 摘要 |
<p>Electronic metering device comprises a drive (7) with an electric motor (8), displacement units, an electrical mode button (18) and an electrical parameter button (19) for alternating between different menus, a pair of control buttons (20, 21) for navigation in the menus, for adjusting parameters and for control displacement of the displacement element, an electronic control device (22) and an electrical voltage supply (23).</p> |
