acier rapide | |
met. | high speed steel; high-speed alloy steel; high-speed steel; highspeed steel; rapid steel; red-hard steel |
extra | |
gen. | extra |
patents. | given into the bargain; plus; surplus |
supérieur | |
med. | the upper |
| |||
high speed steel; high-speed alloy steel; high-speed steel; highspeed steel; rapid steel; red-hard steel |
acier rapide extra : 3 phrases in 1 subject |
Metallurgy | 3 |