When the mains input range is voltage:150-260VAC,frequency:45-60Hz,the following ups Working range
____________ It can work normally in the inverter state of the main circuit.

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MCB Circuit breakers can be divided into different tripping characteristics B, C, D, Z, K Level, for IT For load, you should use ____________ class Tripping characteristics.

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____________ is a fire detector that detects smoke particles.

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Huawei Monitoring System NETECO Support video real-time browsing.

• A.True
• B.False

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During the construction process, work in contact with sharp instruments and use ____________ .

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