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outer edge | |||
outside edge |
外沿 : 20 phrases in 12 subjects |
Anatomy | 1 |
Athletics | 1 |
Automobiles | 2 |
Aviation | 1 |
Bridge construction | 1 |
Electric machinery | 1 |
General | 3 |
Oil / petroleum | 1 |
Oil processing plants | 1 |
Shooting sport | 2 |
Technology | 5 |
United Nations | 1 |