英语词汇“定向扬声器”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	定向扬声器
释义	定向扬声器 directional loudspeaker
随便看	wrist pin hole wrist-pin hole wrist pin nut wrist-pin nut wahser wrist pin nut washer wrist pin oil cup wrist-pin oil cup wrist pins wrist pin spool wrist plaster splint wrist plate wrist pressing wrist protector wrist pulse wave wrist radio wrist reference point wrist rest wristlet wristlet leather wristlets wristlet watch wristling wristlock wrist lock wristlocks