发布时间:2025-01-24 14:54:28
新压力锅出现漏气现象,主要是重封圈问题,密封圈一般在一年时间内不会发生氧化变质现象,可能是高压锅密封圈出厂时没有检验所致。
一个五线继电器如图87a接正极87接负极30接直流电机85正极86负极然后给右侧控
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