| 摘要 |
Cleaning apparatus that has at least one suction device that sucks fluid toward the inside of the apparatus and is connected to an external suction duct. Interposed between the duct and the suction device is a device that holds back the solid particles present in the fluid. Such a holding back device includes at least one mixing chamber containing in part the liquid. A further device is provided that causes turbulence in this mixing chamber in such a way as to create a saturated environment of liquid in suspension above a free surface of the liquid contained in the mixing chamber.
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