| peristaltic pump |
A peristaltic pump is a type of positive displacement pump used for pumping a variety of fluids. The fluid is contained within a flexible tube fitted inside a circular pump casing (though linear peristaltic pumps have been made). A rotor with a number of cams ('rollers', 'shoes' or 'wipers') attached to the external circumference compresses the flexible tube. ...
출처: en.wikipedia.org/wiki/Peristaltic_pump
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