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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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