发布时间:2025-01-20 13:38:21
灯头上综合考虑设置的三根线:火线,邻线,地线,那是考虑工业使用的,而你的电线只有两根,显然是民用,你就以电线的颜色为准来接,一定不会错的。
solidworks 2024 新功能 3dexperience174 draftsight
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