... bidirectional optical multiplexer 双向光多路复用器 21世纪教育网 bidirectional transducer 双向变换器 bidirectional transistor 双向晶体管 ...
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... bidirectional coupler 双向耦合器 bidirectional transducer 双向转换器双向传感器 bifet 双极结型场效应晶体管工艺 ...
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... 双向光缆 bidirectional cable; 双向换能器 bidirectional transducer; bilateral transducer; 双向灰色梯级 cross-gamma scale; ...
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... bidirectional thrust bearing 双向推力轴承 bidirectional transducer 双向传感器,双向变换器 bid price 标价 ...
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