horsehead
(calculus) The calculus that deals with instantaneous rates of change.
A pump for pumping oil from an oil well. / A steel girder supporting the roof of a mine tunnel.
plural of Crom
Third-person singular simple present indicative form of stew in one's own juice
油田の端にある古びたポンプジャックが、井戸から原油をくみ上げながら規則正しく上下していた。
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DiQt
Free
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