短語(yǔ)詞組短語(yǔ)oil water layer 油水層oil l layer 含油層oil gas layer 油氣層oil source layer 油源層oil bearing layer classification 油層分類oil -layer distribution 油層分布thick oil -layer 厚油層heavy oil tested layer 稠油層Putaohua oil bearing layer 葡萄花油層 返回 oil layer