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n. (一种具有电子管特性的铁陶瓷元件)[电子] 磁变管;[电] 磁开关
n.磁变图,磁开关
achromatophil admittible biunique caproate roughwrought stolid unionism下载迅蛙App
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n. (一种具有电子管特性的铁陶瓷元件)[电子] 磁变管;[电] 磁开关
n.磁变图,磁开关
achromatophil admittible biunique caproate roughwrought stolid unionism