地下室的混凝土板楼由保护涂层覆盖，而电缆导管、导管和管道保持可见，走廊和更衣室都采用间接照明。
The concrete slab floor of the basement is covered with a protective coating, while cable guides, conduits and pipes remain visible, with corridors and changing rooms illuminated indirectly.
主要用途：高硅铸铁阳极广泛应用于海上石油钻井平台、地下管道、地下电缆等设施的外加电流的阴极保护。
Main application: It is Widely applied to the impressed current cathodic protection of oil drilling platform at sea, buried pipeline and cables under ground.
即便是这样，地下管道的剩余空间还要容纳更多的电缆。
Little, if any, space remains in the underground conduits to accommodate more cable.
应用：高硅铸铁阳极广泛应用于海上石油钻井平台，地下管道地下电缆等设施的外加电流的阴极保护。
Applying: broadly used in the outer current cathode protection of the sea oil drilling platform, underground pipe and cable etc.
另外两个电缆从在大楼中央服务管中继接收设备，然后继续下跌地下25毫米聚乙烯管道。
Two other cables from the receiving equipment drop in trunking in the central service duct of the tower block and then continue underground in 25 mm polythene conduit.
注：1。敷设方式对应于表1-18（GB/T16895.15-2002）中的D类，适用于电缆直接埋地或电缆敷设在地下的管道内。
Note: 1. The laying method in correspondence with D category in the table 1-18(GB/T16895.15-2002), which is suitable for the direct cable burying or cable layout in the underground conduit.
注：1。敷设方式对应于表1-18（GB/T16895.15-2002）中的D类，适用于电缆直接埋地或电缆敷设在地下的管道内。
Note: 1. The laying method in correspondence with D category in the table 1-18(GB/T16895.15-2002), which is suitable for the direct cable burying or cable layout in the underground conduit.
应用推荐