acid lined converter Bessemer converter
酸性转炉;
optical-electrical converter optical-to-electrical transducer photoelectric converter
光电转换器;
optical-electrical converter optical-to-electrical transducer photoelectric converter
光电转换器;
optical-electrical converter optical-to-electrical transducer photoelectric converter
光电转换器;
optical-electrical converter optical-to-electrical transducer photoelectric converter
光电转换器;