| 摘要 |
The transport pipeline is composed of a concrete ovoid section ring (1) equipped with an electrical traction line, a radio transmission line, an axial guide line (10) and radio controlled electrical motor pushers. There are decompression gratings (4) with air evacuation shafts (5) through which the air activates wind mills (21) which re-supply the network. The compressed air is produced by the moving objects and electrical motors running inside the pipeline. The motors are supplied from an electrified line (9) fixed on the interior wall.
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