It follows the operation pattern of substation system automatically and executes corresponding auto-switching scheme to ensure power supply continuous and reliable.
该装置能自动跟踪变电站系统的运行方式，执行相应的备自投方案，保证供电持续可靠。
There are two problems concerning the current power supply pattern of urban rail transit.
目前的城轨交通供电模式存在两个问题。
The circuit board comprises a plurality of circuit layers, one power supply layer, a plurality of insulating layers and one conducting pattern.
此线路板包括多个线路层、一电源层、多个绝缘层与一导电图案。
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