| 摘要 |
<p>A shovel so designed that generator (11) is driven by an engine (10) serving as a power source and electric motors (6, 7, 15, 23, 25) are rotated by the power fed from the generator (11), the electric motors (6, 7, 15, 23, 25) actuating the respective operating parts of a lower traveling structure, an upper rotary structure, and an excavator attachment.</p> |
