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此下图出自毛兴武<<电子镇流器原理与制作>>, 想不到这么受欢迎的书会出这样低级错误, 这过流线路能工作吗? 希望初学者注意, 取样电阻R8上端全是负电压, 根本不可能整流出什么正电压去触发SCR.
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