The practice verifies that the integrated automation system improve the safety and reliability of coal mine power supply.

实际运行证明，该系统提高了煤矿供电的安全性和可靠性。

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The practice verifies that the integrated automation system improve the safety and reliability of coal mine power supply.

实际运行证明，该系统提高了煤矿供电的安全性和可靠性。

youdao