| 单词 | loudspeaker unit |
| 释义 | > as lemmasloudspeaker unit loudspeaker unit n. ΚΠ 1925–6 T. Eaton & Co. Catal. Fall–Winter 391 This Loud Speaker Unit when attached to your gramophone tone arm, makes the horn act as a loud speaker. 1970Loud-speaker unit [see loudspeaker system n.]. < as lemmas |
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