本文对于变频器的设计与应用，具有一定的现实指导意义。
This paper is practical for frequency converter design and application.
本文主要介绍的就是变频器在复合机和涂布机上的张力设计与应用。
This article focuses on the design and application of ac inverter in the film-coating machine and coating machine for the tension.
本文主要介绍的就是变频器在复合机和涂布机上的张力设计与应用。
This article focuses on the design and application of ac inverter in the film-coating machine and coating machine for the tension.
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