| 摘要 |
This hydrotherapy machine has a top-opening tank with a floor spaced above the tank bottom. The periphery of the floor is spaced from the tank wall. Liquid under pressure is admitted to the space between the floor and the tank bottom, and proceeds upwardly through the gap between the tank wall and the floor. The circulation continues along the tank wall, and downward to a central outlet traversing the floor and the tank bottom. An inward radial flow at the top completes the primary circulation pattern.
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