Ice city of Harbin prevention of skin hospital's experts pointed out that an important part of pustular psoriasis is to prevent worsening of psoriasis vulgaris, switch to this type. Lead to deterioration in the development of psoriasis vulgaris causes for this disease as long as the following four aspects.
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A new type of DC switch power which is possessed a DC voltage input and three DC voltage output, and is able to reach higher efficiency has been introduced in this paper.
本文介绍一种新型的直流开关电源，该电源是一种直流电压输入，三种直流电压输出，并能够达到相当高的效率。
To achieve this, a type of fast making switch, based on triggered vacuum switch is proposed.
针对这个要求，提出了基于真空触发开关的快速关合开关的方案。
This article analyzes the causes of fever of parts of GW5 type switch and puts forward the recondition quality and criteria to ensure the safety running and reliable power supply.
文章分析了GW5型闸刀各部位发热的原因，提出了各发热部位的检修质量及标准。
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