发布时间:2025-02-06 09:52:03
电缆桥架中的MR,CT,MR指镀锌线槽,CT指槽式电缆桥架
打个比方说:
CT 400X200/CE: 宽400X高200的电缆桥架沿天棚或顶板面敷设
MR 200X100/CT:宽200X高100的镀锌线槽,沿电缆桥架敷设
过去人抽烟斗不用火机用的一块石头还有跟斧头是的一蹭就着了叫什么
2025-02-06 09:52:03 2025-02-06 09:52:03 2025-02-06 09:52:03 2025-02-06 09:52:03 2025-02-06 09:52:03 2025-02-06 09:52:03 2025-02-06 09:52:03 2025-02-06 09:52:03建筑钢筋 直经18161420 长度全是12米 我想知道它们分别重量
2025-02-06 09:52:03 2025-02-06 09:52:03 2025-02-06 09:52:03 2025-02-06 09:52:03 2025-02-06 09:52:03 2025-02-06 09:52:03 2025-02-06 09:52:03 2025-02-06 09:52:03 2025-02-06 09:52:03 2025-02-06 09:52:03 2025-02-06 09:52:03 2025-02-06 09:52:03 2025-02-06 09:52:03 2025-02-06 09:52:03 2025-02-06 09:52:03 2025-02-06 09:52:03 2025-02-06 09:52:03 2025-02-06 09:52:03 2025-02-06 09:52:03 2025-02-06 09:52:03