英语词汇“carbon disk microphone”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	carbon disk microphone
释义	carbon disk microphone 碳盘传声器,磁盘传声器,碳传声器
随便看	mandatory decompositions mandatory demoulding mandatory deposit mandatory detention mandatory diagnostic program mandatory disclosure mandatory disclosure laws mandatory disclosure system mandatory disconnect mandatory economic and military sanctions mandatory economic sanctions mandatory education mandatory embargo mandatory energy saving targets mandatory entry field mandatory execution mandatory expenditure mandatory expenses mandatory extension mechanism mandatory factor mandatory field mandatory field error mandatory-fill field mandatory filtration mandatory fine