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calibrated dial |
分度 度盘 : 61 phrases in 14 subjects |
Architecture | 1 |
Automobiles | 2 |
Compressors | 1 |
Computer numerical control | 1 |
Construction | 3 |
Earth sciences | 4 |
Electronics | 2 |
Geophysics | 1 |
Mathematics | 1 |
Metallurgy | 2 |
Oil / petroleum | 3 |
Refrigeration | 1 |
Space | 1 |
Technology | 38 |