英语词汇“rod pump”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	rod pump
释义	rod pump rod pump [′räd ‚pəmp] (petroleum engineering) Type of oil well sucker-rod pump that can be inserted into or removed from oil well tubing without moving or disturbing the tubing itself. Also known as insert pump.
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