发布时间:2025-01-30 02:37:25
你先用3米的层高除以0.3米(每步楼梯的高度)那得到了10(踏步的实际需要数量)再用10步乘以0.2米(踏步的宽度)商是2米(这就是你实际使用的整个楼梯的总宽度2米)
专业电工门装修时双控开关线搞混了现在这样接变成单控了灯可以亮请问应该怎么接成双控
2025-01-30 02:37:25 2025-01-30 02:37:25 2025-01-30 02:37:25 2025-01-30 02:37:25 2025-01-30 02:37:25 2025-01-30 02:37:25 2025-01-30 02:37:25 2025-01-30 02:37:25 2025-01-30 02:37:25 2025-01-30 02:37:25 2025-01-30 02:37:25 2025-01-30 02:37:25 2025-01-30 02:37:25 2025-01-30 02:37:25 2025-01-30 02:37:25 2025-01-30 02:37:25科密kc35感应卡考勤机公司要求上下班时间刷卡上下午各两次可以同一时间刷四次吗
2025-01-30 02:37:25 2025-01-30 02:37:25 2025-01-30 02:37:25 2025-01-30 02:37:25 2025-01-30 02:37:25 2025-01-30 02:37:25 2025-01-30 02:37:25 2025-01-30 02:37:25 2025-01-30 02:37:25