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.
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。
Install, examine, replace or repair electrical wiring, receptacles, switch boxes, conduits, feeders, fibre-optic and coaxial cable assemblies, lighting fixtures and other electrical components.
安装，检查，更换或修理电线，插座，开关箱，管道，馈线，光纤和同轴电缆组件，照明灯具和其他电器元件。
The performance of various of cable conduits is analyzed. The inspection of cable conduits and test of friction coefficient is described. The buried depth of cable conduits is calculated.
对各种电缆导管的性能进行了分析，叙述了电缆导管的检验以及摩擦系数的测试，并对电缆导管的埋地深度进行了计算。
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