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pressure difference | |||
air pressure difference | |||
draught head; draft head |
气 压差 : 45 phrases in 14 subjects |
Agriculture | 5 |
Automobiles | 1 |
Chemistry | 1 |
Electric machinery | 1 |
General | 5 |
Metallurgy | 3 |
Nursing | 3 |
Oil / petroleum | 1 |
Polymers | 1 |
Rail transport | 3 |
Refrigeration | 1 |
Shipbuilding | 1 |
Surgery | 1 |
Technology | 18 |