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出典:Wiktionary
出典:『Wiktionary』 (2025/06/06 18:22 UTC 版)
From pump + jack.
pumpjack (plural pumpjacks)
出典:Wikipedia
出典:『Wikipedia』 (2011/06/24 14:27 UTC 版)
A pumpjack (nodding donkey, pumping unit, horsehead pump, beam pump, sucker rod pump (SRP), grasshopper pump, thirsty bird, jack pump) is the overground drive for a reciprocating piston pump in an oil well.
Pumpjack