| 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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