发布时间:2025-01-16 12:31:35
钢材密度按7850千克/立方米计算,
方通重量为:
(0.2X0.2-0.18X0.18)X1X7850
=59.66千克/米
=59.66公斤/米
用一个光纤终端盒连接光纤网线再用一个交换机连接是不是就不用安网线就可以上网啊
2025-01-16 12:31:35 2025-01-16 12:31:35 2025-01-16 12:31:35 2025-01-16 12:31:35 2025-01-16 12:31:35 2025-01-16 12:31:35 2025-01-16 12:31:35 2025-01-16 12:31:35 2025-01-16 12:31:35我家住14楼 楼上22有人装修我这都能听见这正常吗还是其他楼层装修没有报
2025-01-16 12:31:35 2025-01-16 12:31:35 2025-01-16 12:31:35 2025-01-16 12:31:35 2025-01-16 12:31:35 2025-01-16 12:31:35 2025-01-16 12:31:35 2025-01-16 12:31:35 2025-01-16 12:31:35 2025-01-16 12:31:35 2025-01-16 12:31:35 2025-01-16 12:31:35 2025-01-16 12:31:35 2025-01-16 12:31:35 2025-01-16 12:31:35 2025-01-16 12:31:35 2025-01-16 12:31:35 2025-01-16 12:31:35