Once Duck had caught a glimpse of a hull that he insisted belonged to Urho the Unwashed.
有一次鸭子看到一条船于是他坚持那属于不洁的Urho。
2
That in deep south is favorable exploration areas in Urho group and Fengchen group mature hydrocarbon and Fengchen group high mature hydrocarbon.
说明南段深层是乌尔禾组和风城组成熟油气以及风城组高熟油气的有利勘探区。
3
Lower Urho Formation in Region 8 of Karamay Oilfield is an important oil-bearing series, where gravel is dominated. the classification and correlation of its strata are the long existed problems.