The connectivity of the oil formations in the buried hill Chegu 20 is fine, and the oil accumulation can be described as stratification and large area.是什么意思_The connectivity of the oil formations in the buried hill Chegu 20 is fine, and the oil accumulation can be described as stratification and large area.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句