| |||
prestressed reinforced concrete | |||
prestressed reinforced concrete | |||
cylindrical prestressed concrete shell |
预应力钢筋 混凝土 : 27 phrases in 6 subjects |
Architecture | 1 |
Bridge construction | 1 |
Electronics | 1 |
Metallurgy | 2 |
Oil / petroleum | 1 |
Technology | 21 |