发布时间:2025-01-24 08:42:21
看你买新的还是旧的了
新的去家居市场,华南能稍便宜一点儿
旧的去香炉礁旧物市场,或者大的收废品的地方都有
延时时间继电器延时断开后常开触点会吸合吗如果会那吸合多长时间又变成原来那样了
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