矿井瓦斯危害与防治措施探讨freetubevidos

　　After the revelation that Georg has seduced her, Maria is driven away by her father. Georg, fearing the wrath of Maria's father, has swiftly abandoned the girl and left for the mining town of Sankt Anton, where he expects to hide easily amongst the large population of colliers. Maria must care for herself, and ends up in Sankt Anton, where she attempts to rebuild her life. Ther... (展开全部)