... amplifying equipment 放大装置 amplifying head 放大头 amplifying intercom 扩音对讲机 ...
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amplifying g head 放大头
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The magnetic induction head is electrically connected with the input end of the magnetic signal amplifying test display;
磁信号放大检验显示器由小功率双运放大器耦合一个检验显示开关电路而成；
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