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Subway tracks usually use light - weight steel rails, such as 50 kg/m or lighter models. The subway fastener system needs to have good insulation performance. This is because the subway system has complex power - supply and signal systems. To pr...
Subway tracks usually use light - weight steel rails, such as 50 kg/m or lighter models. The subway fastener system needs to have good insulation performance. This is because the subway system has complex power - supply and signal systems. To prevent current leakage and signal interference, fasteners are usually made of insulating materials or undergo insulation treatment.
