发布时间:2025-01-31 01:03:31
应取得供电规划 有线电视部门规划,电信部门的规划等,按规划设置,同时还应了解当地有无特殊要求,
实际设置时考虑路由走向,覆土深度(现在很多住宅小区大面积地下车库),景观设置等
DIY 一个LED灯,想用电阻限流,采用下面的方式不知到可不可行
2025-01-31 01:03:31 2025-01-31 01:03:31 2025-01-31 01:03:31 2025-01-31 01:03:31 2025-01-31 01:03:31 2025-01-31 01:03:31 2025-01-31 01:03:31 2025-01-31 01:03:31 2025-01-31 01:03:31 2025-01-31 01:03:31跪求不用变压器将 220v 交流 转 24v直流 的电路图 高手请进
2025-01-31 01:03:31 2025-01-31 01:03:31 2025-01-31 01:03:31 2025-01-31 01:03:31 2025-01-31 01:03:31 2025-01-31 01:03:31 2025-01-31 01:03:31 2025-01-31 01:03:31 2025-01-31 01:03:31 2025-01-31 01:03:31 2025-01-31 01:03:31 2025-01-31 01:03:31 2025-01-31 01:03:31 2025-01-31 01:03:31 2025-01-31 01:03:31 2025-01-31 01:03:31 2025-01-31 01:03:31 2025-01-31 01:03:31 2025-01-31 01:03:31 2025-01-31 01:03:31 2025-01-31 01:03:31 2025-01-31 01:03:31 2025-01-31 01:03:31 2025-01-31 01:03:31