图纸上的标高怎么看

　　The story is set on Midsummer’s Eve, when the mysterious military unit takes over a peaceful seaside town. All data networks are disrupted, and the region falls silent. The motives and the origin of the enemy remain shrouded in mystery, with the whole of Europe being taken by surprise and under shock. Local residents turn into hostages, including 21-year-old Annika Berg, who is... (展开全部)