| 摘要 |
A hydroelectric generator includes a body and an electromechanical apparatus cabin. The body has a tube penetrating the body and a first flow channel. The tube has a tapering segment and a throat portion communicating with the first tapering segment. One end portion of the first flow channel is located on a wall surface of the throat portion, so that the first flow channel communicates with the tube. The first flow channel is used to enable a fluid to flow into the tube from the first flow channel or guide a fluid to flow out of the body from the throat portion. The electromechanical apparatus cabin has an energy retrieving apparatus disposed in the throat portion of the tube, and the end portion of the first flow channel communicating with the tube is located at a front side or a back side of the energy retrieving apparatus.
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