- penstock footing
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опора напорного трубопровода
Англо-русский словарь технических терминов. 2005.
Англо-русский словарь технических терминов. 2005.
tunnels and underground excavations — ▪ engineering Introduction Great tunnels of the world Great tunnels of the worldhorizontal underground passageway produced by excavation or occasionally by nature s action in dissolving a soluble rock, such as limestone. A vertical opening … Universalium