发布时间:2025-02-06 19:22:40
如果管子温度过高(一般功放管温度比较高不能用手摸),甚至屏极发红,则是屏流太高,应该按照电路图要求,检查栅负压是否太小。开机瞬间有噪音,请检查管子各个电极的工作电压是否正常。
有人知道福建省闽侯县南屿镇桐南村1号,福建省女子监狱八监区23分监区罪犯一天上班几个
2025-02-06 19:22:40 2025-02-06 19:22:40 2025-02-06 19:22:40siemens47西门子 er76f253mp 嵌入式燃气灶适合厨房达人追求高效节能的您
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