Application of Directional Drilling Technique for Twin-hole Abutment-joint in Underground in Developing Underground Brine in Fuda Salt Mine in Jiangxi是什么意思_Application of Directional Drilling Technique for Twin-hole Abutment-joint in Underground in Developing Underground Brine in Fuda Salt Mine in Jiangxi在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句