发布时间:2025-01-17 00:49:57
更正一下:燕尾槽和键槽是两个概念。
燕尾槽用于工作台的导向。
键槽用于在轴类零件上安装键。
键槽没必要加工成燕尾形
燕尾槽也更不是键槽
继电器选型 我有个控制柜要接的是440v 60hz三相电源请问如何选择中间继电器热继电器断路器接触器
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