变频器有许多功能参数，实际应用中，多数只要采用出厂设定值即可。
There are lots of function parameters in transducer, many parameter keeps initial value at leave factory in factual application.
变频器有许多功能参数，实际应用中，多数只要采用出厂设定值即可。
There are lots of function parameters in transducer, many parameter keeps initial value at leave factory in factual application.
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