大型舞台专用设备属一级负荷。
一级负荷中的特别重要负荷，除上述两个电源外，还必须增设应急电源。
In the first-level load shoulders specially importantly, besides the above two power sources, but must additionally build the emergency power supply.
在供电条件比较差的地区，取得第二个电源供给一级负荷有困难时，也需要增设应急备用电源。
In areas of poor power condition, where it's difficult to get an alternative power to supply class 1 load, an emergency power is required.
通过对艾萨炉一级负荷的分析，针对柴油发动机和发电机的特性，给出了柴油发电机组容量计算的方法，并根据环境条件对计算结果进行修正。
Through analyzing the first level load of Isa furnace, this article brings forth an approach to capacity calculation and calibration of diesel-driven generator as well as its environmental correction.
铁路信号自控系统是一级供电负荷，要求有两路高质量的供电电源。
The railway signal auto-control system is a level of power supply load, which requires two lines of high quality power supply.
采用开放式问卷调查法对101名现役一级以上运动员大负荷训练的心理认知干预效应进行研究。
Through using the method of questionnaire, this paper makes study on mental cognition and intervening of 101 first class active athletes with intensive training load.
它是基于“需方管理”概念下的新产品。在传统的单级控制的基础上，向下增加了一级控制功能，建立起用户内部的电力负荷控制。
This new system add one more layer control function on the basis of the traditional single layer control system, so it can establish a internal management system of the users.
浮法玻璃生产线是一级用电负荷，供电可靠性严重影响到生产线的正常运行和经济效益。
The float plate glass production line is the first level load of power supply. The power supply reliability affects seriously the normal operation and the economic efficiency of the production line.
浮法玻璃生产线是一级用电负荷，供电可靠性严重影响到生产线的正常运行和经济效益。
The float plate glass production line is the first level load of power supply. The power supply reliability affects seriously the normal operation and the economic efficiency of the production line.
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