A zero-offset VSP observation was carried out with a 6-level 3-component geophone at the pilot hole of Chinese Continental Scientific Drilling (CCSD).是什么意思_A zero-offset VSP observation was carried out with a 6-level 3-component geophone at the pilot hole of Chinese Continental Scientific Drilling (CCSD).在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句