单词	suction pump
释义	suction pump noun : a common pump in which the liquid to be raised is pushed by atmospheric pressure into the partial vacuum under a retreating valved piston on the upstroke and reflux is prevented by a check valve in the pipe Example Sentences Recent Examples on the Web Its top-suction pump design greatly minimizes air locks and clogging from debris in the bottom of the pit. Joseph Truini, Popular Mechanics, 17 Mar. 2021 While scuba diving in a fish preserve off Yomitan Village on the Japanese island of Okinawa, researchers used a suction pump to collect samples from the big fish, including material from its gills. Jason Daley, Smithsonian, 29 Oct. 2019 On Day 1, somebody sets the suction pump on a setting that’s too high—and all the blood is quickly sucked through the apparatus. Charles Fishman, Smithsonian, 29 June 2017 On the second day, having readjusted the suction pump, Cuttino finds that the device’s new design works perfectly for the first time—the blood is cleanly emptied from its pouch and collected inside the funnel. Charles Fishman, Smithsonian, 29 June 2017 Word History First Known Use 1825, in the meaning defined above Medical Definition suction pump noun : a common pump in which the liquid to be raised is pushed by atmospheric pressure into the partial vacuum under a retreating valved piston on the upstroke and reflux is prevented by a valve in the pipe that permits flow in only one direction see stomach pump
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