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。
These cables are half as thin as thick Ethernet and look a lot like TV antenna cable.
细同轴电缆只有粗同轴电缆一半粗，跟电视天线电缆很像。
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