| 摘要 |
PROBLEM TO BE SOLVED: To provide a submerged cleaner that has reduced noise while keeping a high cleaning efficiency. SOLUTION: There is provided a submerged cleaner provided with a cleaning tank 1 for submerging a substrate in a liquid and a phone nozzle 305 that produces a cavitation jet stream and jets it against the substrate, which cleaner is further provided with a means for generating air bubbles and a nozzle 15 provided in a position spaced from the nozzle 305 by a specified distance and a nozzle 15 that jets the produced air bubbles along the inner wall 3 of the tank 1.
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