| 摘要 |
PURPOSE: A multifunctional air expansion structure is provided to facilitate the installation of the structure by embedding an electric wire and a supply pipe for spraying fluid. CONSTITUTION: A multifunctional air expansion structure comprises an expansion frame(100) and an electric wire(200). The expansion frame is formed to a predetermined shape by using an air chamber. The inner surface of the expansion frame comprises a jetting hole(510). The air chamber contains a supply pipe(500) for spraying fluid. The electric wire is embedded in the air chamber. The both ends of the electric wire are connected to the exterior of the expansion frame. One end of the electric wire is connected to a terminal connected with outside units.
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