| 单词 | air drainage |
| 释义 | Definition of air drainage in English:air drainagenoun ˈɛː ˌdreɪnɪdʒ
OriginEarly 19th century (in an earlier sense). From air + drainage. Definition of air drainage in US English:air drainagenounˈɛː ˌdreɪnɪdʒ
OriginEarly 19th century (in an earlier sense). From air + drainage. |
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