Second, some of the transmission system split CAM, open type connection plate is best and easy to repair.

第二、传动系统有些的分体式凸轮、开口式联接板最佳并且便于维修。

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The existing control system of LED display transmits data with unidirectional open circuit way, but if any one of transmission paths was on the event of failure, LED display would not show correctly.

现有LED显示屏控制系统以单向开路的方式进行数据传输，在任意一个传输通路上发生故障时，LED显示屏都不能正确显示。

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