如果是小玩意或办公用品，在你的帮公桌的抽屉里给它们找个地方。或者扔掉。4。重复这个过程直到把这堆东西都解决掉你的办公桌变干净了。
If it's a gadget or office supply, find a place for it in your desk drawers or get rid of it. 4 Repeat until your pile is empty and your desk is clear.
它涵盖五个方面：供电电压允许偏差、公用电网谐波、三相电压不平衡度、电力系统频率允许偏差、电压允许波动和闪变。
It covers five aspects: supply voltage tolerance, utility harmonic, three-phase voltage unbalance, power system frequency tolerance, voltage fluctuation and flicker.
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