—— 请按键盘 空白键 开始游戏 ——

Determination is the foundation of success.
In the oil industry, efficiency and sustainability are two sides of the same coin.
在科学的道路上,没有平坦的大道可走,只有不畏劳苦沿着陡峭山路攀登的人,才有希望达到光辉的顶点。