“bottom hold-down”的概念、定义、翻译、参考文献-科学参考

单词	bottom hold-down
释义	bottom hold-down [`bäd·ǝm `hōl dau̇n] ^{PETROLEUM ENGINEERING} A device located at the lower end of a bottom-hole pump that anchors it in a well.
随便看	Vesuvian eruption Vesuvian garnet vesuvianite veszelyite vetch veterinary medicine vetiver oil vetivert VF V factor V flume V format VFR VFR between layers VFR on top VFR terminal minimums VFR weather VGC V guide VHF VI viable viaduct Vianaidae via point

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