当我正在做作业的时候，突然停电了。
采用本开关柜可缩小矿山停电范围，减少停电时间，提高设备作业率。
The cabinet can reduce power cut off range and increase job rate of mining and loading equipments.
还有圆珠笔，它的两边分别有两个小型电灯，就是在停电的晚上，它也能帮你写作业；
And ball-point pen, it's both sides respectively, there are two small lights, is on the night of the power outage, it can also help you write your homework;
对于母差保护的改造，应制定停电计划，编制作业指引，提高工作效率。
When we reform the bus protection, we should make an equipment withdraw plan and working guide to raise the work efficiency.
对于母差保护的改造，应制定停电计划，编制作业指引，提高工作效率。
When we reform the bus protection, we should make an equipment withdraw plan and working guide to raise the work efficiency.
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