... biconical horn 双锥形喇叭 bidirectional coupler 双向耦合器 bidirectional transducer 双向转换器双向传感器 ...
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短语
双定向耦合器
Dual Directional Coupler
双孔定向耦合器
two-hole directional coupler
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bidirectional coupler
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bidirectional coupler
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