твёрдость по Роквеллу : 74 phrases in 22 subjects |
Construction | 6 |
Drilling | 4 |
Electrochemistry | 2 |
Energy industry | 1 |
General | 2 |
GOST | 1 |
Makarov | 1 |
Mass media | 2 |
Materials science | 2 |
Metallurgy | 9 |
Metrology | 2 |
Military | 2 |
Mining | 7 |
Oilfields | 2 |
Pipelines | 2 |
Polymers | 5 |
Quality control and standards | 6 |
Roll stock | 1 |
Sakhalin | 1 |
Seismology | 2 |
Technology | 12 |
Transport | 2 |