If ups The capacity is 20KVA, Then in normal work,ups The front-end input capacity may be ____________ .

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The general method of connecting lead-acid batteries is to string first and then parallel.

• A.False
• B.True

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____________ can be used as a side air outlet or as a lower air outlet.

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____________ Not part of Huawei's monitoring system NETECO Provide monitoring functions.

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The throttling devices used by Huawei's air-cooled precision air conditioners are ____________ .

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