单选题The most prevalent cause of computer center fires is which of the following?计算机中心火灾主要的原因是以下哪一项？（）AAC equipment 交流电源设备BHeating systems 供热系统
单选题
The most prevalent cause of computer center fires is which of the following?计算机中心火灾主要的原因是以下哪一项？（）
A
AC equipment 交流电源设备
B
Heating systems 供热系统
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