The downhole isolation technology is to use downhole isolation valve to isolate the oil/gas and downhole pressure below the valve, which is currently the most practical snubbing technique.是什么意思_The downhole isolation technology is to use downhole isolation valve to isolate the oil/gas and downhole pressure below the valve, which is currently the most practical snubbing technique.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句