inductor loudspeaker (moving-iron loudspeaker)
动铁拾音头
moving-iron pick-up head【电子】
暂无补充释义。
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permanent-magnet moving-iron instrument
moving-iron instrument
measurement of a quotient, moving-iron instrument
moving-iron type hot stylus recorder
moving-iron【电】
moving-iron instrument【电】;moving-iron meter【电】
moving-iron ammeter