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2 Commits

Author SHA1 Message Date
admin c66a44d142 mm2线规对照表补充载流量列(PVC明敷/XLPE空气中参考值)及降额要点 2026-08-28 16:17:35 +08:00
admin 6bae8a82af 新增中国常用mm2线规对照表(GB/T 3956-2008)，含直径/截面/电阻/AWG对照 2026-08-28 16:09:37 +08:00