- penstock footing
- опора напорного трубопровода
tower footing impedance — полное сопротивление заземления опоры
English-Russian big polytechnic dictionary. 2014.
tower footing impedance — полное сопротивление заземления опоры
English-Russian big polytechnic dictionary. 2014.
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