| 摘要 |
A pump, comprising: a pumping chamber; reciprocating means associated with the pumping chamber so as to increase and decrease the volume thereof; an inlet passageway in fluid communication wit the pumping chamber; a discharge passageway in fluid communication with an upper portion of the pumping chamber so as to discharge substantially all gasses and excess liquid from the pumping chamber; an outlet passageway in fluid communication with the pumping chamber; and means associated with the reciprocating means for periodically collecting a predetermined quantity of liquid, substantially void of gases, from the pumping chamber and directing it through the outlet passageway.
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