The high voltage endurance test device for switch tube is composed of high voltage pulse generator, high voltage breakdown detector, trigger, auto-controller and DC/AC converter.
开关管冲击耐压装置由高压脉冲产生器、击穿检测器、触发器，及自动控制器、DC/AC 变换器等构成。
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The quality of aluminum_plastic composite tube is affected by plastic extrude machine, mode, welding machine of TIG AC/DC, traction engine etc. and also affected by raw material.
Method:Different extracts were administered through a stomach tube to rats of different groups with renal calcium oxalate stones induced by ethylene glycol (EG) and ammonium chloride (AC).