发布时间:2025-02-06 02:58:33
一般来说都有标示,L为火线,N为零线,大部分火线接在最左边,零线接右边,插座刚好和它相反,零线接左边,火线接右边!
704硅橡胶多久才能干 quot704硅橡胶需要多长时间才会干透
2025-02-06 02:58:33 2025-02-06 02:58:33 2025-02-06 02:58:33 2025-02-06 02:58:33 2025-02-06 02:58:33 2025-02-06 02:58:33 2025-02-06 02:58:33