 |
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| shear steel | |||
| refined steel | |||
| fine steel | |||
| quality steels | |||
| extra-fine steel | |||
| qualitative steel | |||
| high grade steel; high quality steel; quality steel; good quality steel; high-grade steel; prime steel (The CAS-OB system is designed to reduce the number of diverted heats and increase the production of prime steel. CAS-OB 装置的设计目标是减少改判钢号的炉次，提高优质钢产量。) | |||
| sound steel | |||
| fined steel; high-quality steel | |||
| |||
| premium steel | |||
| |||
| fine steel | |||
| 优质钢: 71 phrases in 9 subjects |
| Automobiles | 2 |
| Bridge construction | 2 |
| Compressors | 1 |
| Hydroelectric power stations | 1 |
| Metallurgy | 56 |
| Oil / petroleum | 1 |
| Roll stock | 1 |
| Technology | 6 |
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