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身管 : 21 phrases in 13 subjects |
Automobiles | 2 |
Aviation | 2 |
Business | 2 |
Construction | 1 |
Cryptography | 2 |
Dermatology | 3 |
Electric machinery | 1 |
General | 1 |
Management | 2 |
Skydiving | 1 |
Stationery | 1 |
Technology | 2 |
Telecommunications | 1 |