Waste water has been used for backfilling since 1992 and this has caused severe damage to oilfield development due to the poor water quality.是什么意思_Waste water has been used for backfilling since 1992 and this has caused severe damage to oilfield development due to the poor water quality.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句