“bullet perforator”的概念、定义、翻译、参考文献-科学参考

单词	bullet perforator
释义	bullet perforator [`bu̇l·ǝt `pǝr·fǝ´rād·ǝr] ^{PETROLEUM ENGINEERING} A device in the form of a tubular gun that can be lowered to a specified depth in a well and made to fire bullets through the casing and cement, forming holes which permit formation fluids to enter the wellbore.
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