The term "Trans-Manchurian" refers to a railway system that connects the eastern part of China with Russia, specifically through the Manchuria region. This railway plays a crucial role in facilitating trade and transportation between the two countries, enhancing economic ties and regional connectivity. The Trans-Manchurian line is part of the larger Trans-Siberian Railway network, which is one of the longest railway systems in the world. It allows for the movement of goods and passengers across vast distances, significantly impacting the development of the Northeast China and Siberia regions.