| 摘要 |
A cleaning head for a surface covering material cleaning machine made up as a fairly wide nozzle having a plurality of jets mounted therein delivering a pressurized air entrained cleaning fluid, and utilizing an additional air stream engaging and co-mixing with the fluid diverting it into an angle as it engages the surface to be cleaned; the additional air stream taken with the pressurized cleaning fluid provides a partial support for the cleaning head whereby the cleaning head glides over the underlying surface, and self adjusting end plates seal the end walls of the cleaning head.
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