“starting barrel”的概念、定义、翻译、参考文献-科学参考

单词	starting barrel
释义	starting barrel [`stärd·iŋ ´bar·ǝl] ^ENGINEERING A short (12 to 24 inches or 30 to 60 centimeters) core barrel used to begin coring operations when the distance between the drill chuck and the bottom of the hole or to the rock surface in which a borehole is to be collared is too short to permit use of a full 5- or 10-foot-long (1.5- or 3.0-meter) core barrel.
随便看	parturiometer parturition party line party-line bus party-line carrier system party wall parulis parvafacies parvovirus parylene parylene capacitor PAS Pascal pascal Pascal rules Pascal's law Pascal's limacon Pascal's theorem Pascal's triangle Paschen-Back effect Paschen bodies Paschen-Runge mounting Paschen series Paschen's law Paschen's rule

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