... moving coil speaker 动圈扬声器 moving iron instrument 动铁仪表 moving parts 运动机件 ...
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短语
动铁式仪表
moving iron meter
;
ferrodynamic instrument
;
[电]
moving-iron instrument
;
iron-vane instrument
铁磁电动系仪表
ferrodynamic instrument
永磁动铁式仪表
permanent magnet moving iron instrument
动铁式测量仪表
moving iron instrument
铁磁电动式仪表
ferrodynamic instrument