The operation of the powertrain relay switchbox on startup from the top floor is rather loud.

由顶层起动时，驱动机芯开关跳掣的操作音量颇大。

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You either require the protection that the switchbox gives, or the simplicity and convenience of an open solution.

您可能需要开关盒的保护，或开放式解决方案的简单便捷。

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In addition, it also introduces electric fault diagnosis of high voltage switchbox with the technology of data fusion.

另外，还介绍了利用数据融合技术来进行高压开关柜的故障诊断。

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