—— 请按键盘 空白键 开始游戏 ——

Innovation is the key to sustainable development in the oil and gas industry. We must embrace new technologies to drive efficiency and environmental protection.
"History is the present projected backwards."
我们几乎无法避免这样的推论:光是由同一种介质的横向波动组成的,这种介质也是电和磁现象的原因。
The world is full of stories, but the stories are all one.