low-impedance switching tube

例句：

1. 1. The low-impedance switching tube is used in the power supply system to improve efficiency.
   低阻抗切换管在电源系统中用于提高效率。
2. 2.In the electronics industry, low-impedance switching tubes are widely used for signal amplification.
   在电子行业中，低阻抗切换管被广泛用于信号放大。
3. 3. The low-impedance switching tube has become a popular choice for audio enthusiasts due to its high signal-to-noise ratio.
   由于其高信噪比，低阻抗切换管已成为音频爱好者的热门选择。