英语词汇“beam pumping unit”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	beam pumping unit
释义	beam pumping unit beam pumping unit [′bēm ′pəm·piŋ ‚yü·nət] (petroleum engineering) A device used in sucker rod pumping which has a horizontal member (walking beam) that is worked up and down by a rotating crank to produce reciprocating motion.
随便看	genus peromyscus genus peronospora genus persea genus persoonia genus pertusaria genus petasites genus petaurista genus petaurus genus petrocoptis genus petrogale genus petromyzon genus petroselinum genus petteria genus petunia genus peziza genus pezophaps genus phacelia genus phacochoerus genus phaethon genus phaius genus phalacrocorax genus phalaenopsis genus phalaenoptilus genus phalanger genus phalangium

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