Something that test automation tools are especially useful for is populating databases, either for test purposes or converting data from one system to another.
Distribution transformer is important electric power equipment in the distribution network, whose operation data is important in electric power systemautomation.
配电变压器是配电网络中的重要电力设备，其运行数据是配电网络的基础和重要的数据。
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Power line carrier is an economic and convenient data transmission technology used in distribution automationsystem.