The analysis shows that lea kage of crude oil and re-injection of waste water are the main causes of water s ystem pollution in oil and gas fields.是什么意思_The analysis shows that lea kage of crude oil and re-injection of waste water are the main causes of water s ystem pollution in oil and gas fields.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句