| |||
concreto preesforzado; concreto pretensado; hormigón preesforzado; hormigón pretensado |
prestressed concrete : 8 phrases in 6 subjects |
Construction | 2 |
Materials science | 1 |
Mechanic engineering | 1 |
Metallurgy | 1 |
Nuclear physics | 1 |
Transport | 2 |