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“凹部”的拼音為：āo bù...

一種載帶,包括具有設(shè)置在其中的多個元件容納凹部的縱向帶.A carrier tape includes a longitudinal strip having a plurality of component receiving pockets positioned therein....

“凹部”的英語可以翻譯為：dent，valley，[地質(zhì)] recess ...