| 摘要 |
<p>An apparatus for cleaning large tank interiors and other similar areas having a telescoping boom assembly (8) attached to a supportable boom housing unit (7) with a positionable water nozzle assembly (9) attached to one end of the boom assembly (8) wherein the boom housing unit (7) positioned in the tank interior is provided with a cage area for housing the necessary control equipment and human operator. </p> |
