What is the Ob River called within the territory of China

The Ob River became the Irtysh River within the territory of China.

The Irtysh River is the largest tributary of the Ob River and flows through China, Kazakhstan and Russia. The Irtysh River originates from the southern slope of the Altai Mountains in Fuyun County, Xinjiang Uygur Autonomous Region, China, flows northwest along the southern foot of the Altai Mountains, enters the country of Kazakhstan in the west of Haba River County, and flows into Zaisangpo (now after transit, it is injected into the Bukhtarma Reservoir, and Zaisangpo has become a part of the reservoir), and after leaving the lake, it continues to flow northwest through northeast Kazakhstan, and after entering Russia, it turns northeast through Omsk, turns northwest near Tara, and turns north in Tobolsk. It joins the Ob River near Khantymansiysk.

The Ob River, known as the Irtysh River in China, is the largest tributary of the Irtysh River, originating from the southern slope of the Altay Mountains in the Xinjiang Uygur Autonomous Region of China, with a length of 4,248 kilometers and a basin area of 164,300,000 square kilometers. Among them, the length of rivers in China is 633 kilometers, and the basin area is 5.73 million square kilometers.

The Ob River is a world-famous international river flowing through China, Mongolia, Kazakhstan and Russia, and is one of the world's longest rivers, originating in Xinjiang, China, and the Irtysh River is the only river that flows into the Arctic Ocean in China, and its source is located in the Altai Mountains in the north of Xinjiang.

It originates in the territory of our country and is called the Irtysh River, but most of it flows through Kazakhstan.

Located in western Siberia, the Ob River is a famous river in the world.

a. The Ural Mountains are the watershed of the Volga River, the Ural River and the Ob River basin on the eastern slope, so it does not fit the theme;

b. The water source of the Volga River is mainly snow, and the temperature rises in spring, the snow melts, and the runoff is large, so it is correct;

c. The lower the latitude, the shorter the freezing period, and the earlier the flood season will appear Therefore, compared with the MN section, the EF section of the R River has a larger amount of water and a shorter freezing period, and the flood season appears earlier, so it does not meet the topic.

D, R river is the Volga River, is the largest inland river in the world, it originates in the western part of the Eastern European Plain between the lakes and marshes, and flows into the Caspian Sea, is the longest river in Europe, so there is no shortage of old changes in line with the theme

Therefore, b