| 摘要 |
A pump apparatus has a chamber (12), an inlet (15) at the bottom of the chamber (12), an impeller (16) driven by a motor (13), an outlet (22) on one side of the chamber connected with a discharge line, and circulation ports (26c, 44) that may be opened or closed independently or together. The pump m ay be rotated by a swivel and manipulated in a tank of drill cuttings from end to end and top to bottom by a crane arm, cable or other means.
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