The Emluator Analyse and Experiment Study on the Influence from Diverse Obliquity and Diameter Injector Hole Used in the Reverse Circulation Core Drilling Bit是什么意思_The Emluator Analyse and Experiment Study on the Influence from Diverse Obliquity and Diameter Injector Hole Used in the Reverse Circulation Core Drilling Bit在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句