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压力变化 | |||
气压变化 |
pressure change : 23 phrases in 13 subjects |
Automobiles | 1 |
Aviation | 3 |
Bridge construction | 2 |
Compressors | 1 |
Drilling | 1 |
Electronics | 1 |
Explosives and Explosive Ordnance Disposal | 3 |
Footwear | 1 |
Metallurgy | 3 |
Mining | 1 |
Rail transport | 1 |
Refrigeration | 1 |
Technology | 4 |