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relief | |||
relief of a garrison; screen-switch defence |
换 防: 30 phrases in 15 subjects |
Automobiles | 2 |
Basketball | 9 |
Drilling | 1 |
Electronics | 1 |
Engineering geology | 1 |
Fencing | 2 |
General | 1 |
Handball | 1 |
Mechanics | 3 |
Metallurgy | 1 |
Oil / petroleum | 1 |
Space | 2 |
Technology | 3 |
Tennis | 1 |
Volleyball | 1 |