| 摘要 |
<p>The present invention relates to a power spraying apparatus for an infectious disease prevention capable of preventing a damage by a freezing in the winter season by removing a spraying liquid remaining in a pipe and a nozzle of a spraying apparatus for preventing various diseases, and capable of preventing a decrease of function due to a foreign substance and capable of maintaining a long time effect of chemical by supplying a necessary amount of source liquid only at the time when a spraying liquid is sprayed.</p> |
