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unit tube |
单位 管 : 55 phrases in 19 subjects |
Agriculture | 3 |
Aviation | 8 |
Business | 5 |
China | 8 |
Construction | 1 |
Drilling | 1 |
Earth sciences | 2 |
Economy | 1 |
Electric machinery | 1 |
Finances | 2 |
Fishery fishing industry | 1 |
General | 1 |
Management | 3 |
Nautical | 1 |
Oil / petroleum | 1 |
Refrigeration | 1 |
Securities | 3 |
Technology | 10 |
Textile industry | 2 |