{
  "abstract": "The invention provides a water polo water injection assembly and a water polo water injection device. The water polo water injection assembly omits disassembly with an external water pipe or a water injection cylinder, is convenient to use, and is uniformly filled with water polo. The injection tube bundle is short in length, low in processing cost, wide in application range and low in water pressure requirement The water polo water injection device realizes continuous water extraction and pressure injection, thus realizing water polo water injection without the aid of water pipes, convenient use, uniform water polo water filling and simple replacement.",
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  "title": "Water polo water injection assembly and water polo water injection device",
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