英语词汇“backing board”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-新都网

单词	backing board
释义	backing board backing board [′bak·iŋ ‚bȯrd] (building construction) In a suspended acoustical ceiling, a flat sheet of gypsum board to which acoustical tile is attached by adhesive or mechanical means. backing board In a suspended acoustical ceiling, a flat sheet of gypsum board to which acoustical tile is attached by adhesive or mechanical means.
随便看	duty air defence commander duty air defence officer duty air force specialty code duty appointed retention nco duty assignment duty bound duty-bound duty-boundly duty bound to duty bound, to be duty bound to her duty bound to him duty bound to it duty bound to me duty bound to one duty bound to (someone or something) duty bound to them duty bound to us duty bound to you duty call duty calls duty calls! duty carried out duty chief petty officer duty classification of a relay

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