Using electron switch by BTA, BTA at touch off cross zero, thus deferent electron sine wave is intact.
用双向晶闸管作为电子开关，双向晶闸管过零触发，因而输出的是完整的正弦波。
This switch using Chinese LCD touch screen display, stable performance, high reliability, has good man-machine conversation function.
本开关采用中文液晶触摸屏显示，性能稳定，可靠性高，具有良好的人机对话功能。
This switch using Chinese LCD touch screen display, stable performance, high reliability, has good man-machine conversation function.
本开关采用中文液晶触摸屏显示，性能稳定，可靠性高，具有良好的人机对话功能。
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