Its control circuit adopts digit technology, so it is easily promoted, its applicable bound is wide.

变频器的控制电路采用数字技术，容易升级、适用范围广。

youdao

Its control circuit adopts digit technology, so it is easily promoted, its applicable bound is wide.

变频器的控制电路采用数字技术，容易升级、适用范围广。

youdao