| 摘要 |
<p>The apparatus comprises two vertically movable carriages 23, 25 mounted on vertical sides 18, 19 of an arch 14. The carriages carry respective jets 28 and can be moved up and down by a motor 32 and cables 42, 43, 49. The arch 14 is movable horizontally on rails 10, 12. Fluid is fed to the jets as they move up and down and horizontally to clean a vehicle.</p> |
