Special Fast Ethernet industry switches with fibre optic connection are used and these are superbly suited to the tough environment, thanks to their robust design.
特殊的快速以太网工业交换机是用光纤连接的。由于他们精湛的设计，使它们特别适合高速公路恶劣的环境。
Special Fast Ethernet industry switches with fibre optic connection are used and these are superbly suited to the tough environment, thanks to their robust design.
特殊的快速以太网工业交换机是用光纤连接的。由于他们精湛的设计，使它们特别适合高速公路恶劣的环境。
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