Gas fire protection systems are fire extinguishing systems that inject gas (including steam, aerosol) as a fire extinguishing medium.
Answer(s): A
The following (_______________) is the correct description of 6 fixed VRLA single battery series. The rated capacity is 150Ah.
Answer(s): C
Which of the following is not a basic function of a low-voltage circuit breaker?
Answer(s): D
Computer room air conditioning is suitable for (_______________) scenes. (Multiple choice)
Answer(s): A,B,C
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