| 摘要 |
A pressure-differential liquid stirrer which includes a liquid tank which holds the liquid to be stirred, the liquid tank having a top opening, a bottom wall, and a sealing cover covered on the top opening, the sealing cover having a hole; a single-outlet tube vertically disposed inside the liquid tank, having a bottom opening facing the bottom wall of the liquid tank and spaced from it by a gap for permitting the liquid to flow between the liquid tank and the single-outlet tube; an air pipe having one end inserted through the hole of the sealing cover into the inside of the liquid tank, and an opposite end coupled to an air control device; and an air control device coupled to the air pipe and controlled to force compressed air into the liquid tank and to release air out of the liquid tank so as to force the liquid to be stirred.
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