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elongated key | |||
straight key | |||
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equatorial bond |
平键: 26 phrases in 14 subjects |
Automobiles | 2 |
Aviation | 1 |
Earth sciences | 1 |
Electric machinery | 2 |
Electronics | 6 |
Footwear | 1 |
Management | 1 |
Metallurgy | 1 |
Molecular genetics | 1 |
Oil / petroleum | 2 |
Space | 2 |
Technology | 4 |
Telecommunications | 1 |
Wind Energy | 1 |