矿井瓦斯是煤矿生产中的一大隐患，需加强监测与控制，确保安全作业。年轻的朋友4韩剧电影

　　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)