Barrel connector This connector is a cylindrical (barrel-shaped) connector used to splice together two lengths of thick Ethernet coaxial cable.
圆柱式连接器这种连接器是一种圆柱形(桶形)连接器，用于将两根以太网粗同轴电缆结合在一起。
2
In order not to separate two split inner rings of a double row cylindrical Roller bearing during transportation, installation and adjustment. It should be connected with a connector.