Wired train bus (WTB) is a kind of special field bus conforming to this point.

绞线式列车总线(wtb)就是符合这一要求的一种专用现场总线。

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Using WTB, masses of parts, production expense can be reduced and parts performance can be improved, and WTB increases the competitive advantages of steel comparing with light metal and polymer.

采用激光焊接钢板可以减轻零件质量，节约生产费用，改善零件性能，从而提高钢板材料与轻金属和高分子材料的竞争力。

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This paper introduces two buses of train communication network:the wire train bus(WTB) and the multifunction vehicle bus(MVB), analyzes two layers topo.

介绍了列车通信网络的两条总线，即绞线式列车总线（WTB）和多功能车辆总线（MVB），并分析了两层网络拓扑结构。

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