Inspection or maintenance, be sure to cut off all input power.
检查或维修时，请一定要切断所有输入电源。
Frontier inspection is the most infringing executive power.
边防检查是最具侵犯性的一种行政权力。
For electrical aspects of maintenance, inspection or installation, you must first cut off the power.
对于电气方面的维修，检查或安装，必须首先切断电源。
For electrical aspects of maintenance, inspection or installation, you must first cut off the power.
对于电气方面的维修，检查或安装，必须首先切断电源。
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