“pulling”的概念、定义、翻译、参考文献-科学参考

单词	pulling
释义	pulling [`pu̇l·iŋ] ^ELECTRONICS An effect that forces the frequency of an oscillator to change from a desired value; causes include undesired coupling to another frequency source or the influence of changes in the oscillator load impedance. ^{PETROLEUM ENGINEERING} Withdrawing sucker rods and production tubing from a pumping well prior to cleaning out or replacing parts of the pump.
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