特点Features：
通路数可达500路以上，精密的加工工艺保证设备运行的平稳性和传输的稳定性。
The number of channels can reach more than 500, and the precise processing technology ensures the smooth operation of the equipment and the stability of transmission.
特点Features：通路数可达500路以上，精密的加工工艺保证设备运行的平稳性和传输的稳定性。The number of channels can reach more than 500, and the precise processing technology ensures the smooth operation of the equipment and the stability of transmission.