系统采用间接法进行恒张力控制，利用现代传动设备变频器和工业控制计算机组成电气恒张力控制系统。
The system mainly takes an indirect method to control the constant tension which consists of a modern transmission frequency transformer and an industrial control computer.
系统采用间接法进行恒张力控制，利用现代传动设备变频器和工业控制计算机组成电气恒张力控制系统。
The system mainly takes an indirect method to control the constant tension which consists of a modern transmission frequency transformer and an industrial control computer.
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