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gaspocket | |||
air traps | |||
gas pocket | |||
air locks | |||
airlock; air pocket | |||
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airlock | |||
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air lock | |||
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air lock | |||
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gas pocket |
气 窝 : 15 phrases in 7 subjects |
Agriculture | 2 |
General | 1 |
Metallurgy | 5 |
Oil / petroleum | 2 |
Otorhinolaryngology | 1 |
Refrigeration | 2 |
Technology | 2 |