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   English ⇄
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open window unit
avia. 开窗装置
construct. 敞窗〔声学〕单位; 敞窗单位
open-window unit
tech. 赛宾 (吸音单位,相当于一平方英尺的全吸音面); 敞窗单位
 English thesaurus
open window unit
abbr., construct. o.w.u.

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