求翻译：发电机启动信号引自相应变压器低压主开关的辅助信号，当1#,2#变压器或3#,4#变压器均失电时自动启动，有市电信号时自动退出发电，市电与发电严禁并列运行。是什么意思？

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Generator start signal from the main switch to the low voltage transformer secondary signal, when 1#,2# 3#,4# transformer or transformers are lost to start automatically when you have the municipal telecommunications, exit automatically for power generation, mains power generation and do not run in

The generator start signal directs from the corresponding transformer low pressure main switch cueing signal, when the 1#,2# transformer or the 3#,4# transformer lose the electricity the automatic start, has when the city electrical signal the automatic withdrawal electricity generation, the city el

Generator start signal from the corresponding auxiliary signals of transformer low-voltage main switch, automatically when 1#,2# or 3#,4# transformer of transformer power start, exit automatically when the signal power, electricity and power generation in parallel operation is strictly prohibited.

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