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压力 管道 : 61 phrases in 15 subjects |
Automobiles | 1 |
Aviation | 1 |
Compressors | 1 |
Earth sciences | 2 |
Electronics | 8 |
Engineering geology | 4 |
General | 3 |
Hydroelectric power stations | 9 |
Mechanic engineering | 1 |
Metallurgy | 2 |
Refrigeration | 2 |
Shipbuilding | 1 |
Technology | 24 |
Textile industry | 1 |
Water resources | 1 |