Petroleum, also known as crude oil, is a viscous, dark brown liquid. Oil reserves are available in parts of the upper crust. The main components are a mixture of various alkanes, naphthenes, aromatic hydrocarbons. Petroleum 10The results of the investigation of abnormal blood lead in young children in Gansu were announced 26237
The 19-year-old college entrance examination candidate who was deceived into disappearing in Myanmar for nearly half a month has been found, has entered the park, and is preparing to return to China; Cambodia has cracked down on online fraud and has arrested 2,270 suspects
3. The construction of the lower reaches of the Brahmaputra River hydropower project started: the total investment is about 1.2 trillion yuan, and the construction of 5 cascade power stations is expected to generate 300 billion kWh of annual power generation;
The 19-year-old college entrance examination candidate who was deceived into disappearing in Myanmar for nearly half a month has been found, has entered the park, and is preparing to return to China; Cambodia has cracked down on online fraud and has arrested 2,270 suspects