Commercially advertising method and special printing device
A printing device and advertising technology, applied in printing and other directions, can solve problems such as affecting the city appearance and environment, and achieve the effect of wide use prospects
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[0020] The present invention will now be described in further detail in conjunction with the accompanying drawings and embodiments.
[0021] see figure 1 and figure 2 , the printing device that is used for commercial advertisement of the present invention, comprises a plurality of nozzles 10 that line is arranged, and these nozzles 10 are located on a support frame 20, a container (pure water or the ink that can fade in is filled) It is connected with these nozzles 10 by pipes, and an electrically controlled water valve 30 is provided between the container and these nozzles 10. When there is no electric signal, the water valve 30 is in the "closed" state, and no fluid is sprayed out from the nozzles 10. ; When there is an electric signal, the water valve 30 is in the "open" state, and fluid is ejected from the nozzle 10.
[0022] The embodiment of the present invention is that the printing device for commercial advertisement is set on the bicycle or the electric vehicle, wh...
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