| 摘要 |
The "Automatic, Wireless Liquid/Water Level Controller", hereafter called "Automatic Wireless Liquid Level Controller" or "Automatic Wireless Water Level Controller" or "Automatic Wireless Water Controller", works on the principle of wireless communication and control for monitoring and controlling the liquid level in one or more storage tanks (or similar storage units) and automatic pumping of liquid (such as water, etc.), for refilling such storage tank(s), when the liquid level in these storage tank(s) hits set lower threshold level.
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