https://icelemon.top/tags/%E7%94%B5%E4%BD%8D%E5%B7%AE/Recent content in 电位差 on BlogHugozh-CNTue, 27 Oct 2026 23:00:00 +0800https://icelemon.top/knowledge/why-birds-can-perch-on-one-power-line/Tue, 27 Oct 2026 23:00:00 +0800https://icelemon.top/knowledge/why-birds-can-perch-on-one-power-line/高压线相对地面电压很高，不等于小鸟两脚之间也有同样的电压。关键在身体跨接了哪些位置。