The river Urechioiu is a tributary of the River Sitna in Romania .
The Urechioiu River is a tributary of the Sitna River in Romania .
The Urechioiu River is a tributary of the Sitna River in Romania .
문장을 의역 버전으로 작성하세요: The river Urechioiu is a tributary of the River Sitna in Romania . 산출: