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Terms for subject Technology containing underground air | all forms | exact matches only | in specified order only
| English | Chinese |
| air-raid underground shelter | 人防地道 |
| underground air passage | 地下通风道 |
| underground air-raid shelter | 地下防空洞 |
|
| English | Chinese |
| air-raid underground shelter | 人防地道 |
| underground air passage | 地下通风道 |
| underground air-raid shelter | 地下防空洞 |