求翻译：1. 负荷分类：消防设备、应急照明、变电所用电、生活水泵、潜水泵、污水提升泵、IT机房的IT设备为二级负荷，其余用电设备均为三级负荷。应急照明采用EPS作为备用电源。IT机房的IT设备采用不间断电源（UPS）作为后备电源，不间断电源（UPS）由业主IT部门自行选购。由一期研 发楼附设变电所引两路电源分别作为消防设备及其它二级负荷的备用电源，并在供电末端设置双电源末端切换，以满足二级负荷的要求，应急疏散照明采用带蓄电池的灯具。是什么意思？

Load classification: fire-fighting equipment, emergency lighting, substation electricity, living water pumps, submersible pumps, sewage lift pump, two load it equipment room of it, are three load the rest of the electrical equipment. Emergency lighting using eps as a backup power supply. it the engi

1.Load category: fire equipment, emergency lighting, power substations, Living water pumps, submersible pumps, sewage lift pump, IT room IT device at a level 2 load and the rest are electric equipment level 3 load. Emergency lighting is EPS as backup power. The engine room IT IT devices use an unint

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1. load class: fire-fighting equipment, emergency lighting, substation electricity, life water pump, submersible pump, sewage lifting pump, IT computer lab IT equipment for secondary load, the remaining devices are three-level load. Emergency lighting using EPS as standby power supplies. IT in the I

1. Load classification: The fire fighting equipment, the emergency lighting, the transformer substation use electricity, the life water pump, dive the water pump, the sewage lift pump, IT the engine room IT equipment are two levels of loads, other current collector is three levels of loads.The emer