Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
...................钛矿精炼工厂怎么还能研究到2级？？一级也能建啊！！
因為精煉III IV V級要升級科技啊......
