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set switch | |||
setting switch |
置位开关 : 50 phrases in 11 subjects |
Air defense | 1 |
Automobiles | 15 |
Aviation | 4 |
Drilling | 2 |
Electronics | 17 |
General | 1 |
Hydroelectric power stations | 2 |
Navigation | 1 |
Rail transport | 3 |
Technology | 3 |
Telecommunications | 1 |