并举例叙述了电缆隧道内的消防设计。
The design of fire control in the cable tunnel is illustrated.
隧道内电缆转向或分支处；
火车消失在隧道内。
这段视频是在隧道内拍摄的，是救生舱向上攀升的景象。
This video was actually shot inside the tunnel as the capsule went up.
目前隧道内采用的照明光源、照明控制方式已不能适应节能降耗的需要。
The light source and the lighting control method currently used can not conservation the energy.
目前隧道内采用的照明光源、照明控制方式已不能适应节能降耗的需要。
The light source and the lighting control method currently used can not conservation the energy.
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