In the control system for skin pass mill elongation, the measuring devices in common use are pulse generator and laser velocimeter, of which the control accuracy of the laser velocimeter is higher.
在平整机延伸率控制系统中，常用的测量装置是脉冲发生器和激光测速仪。
In the control system for skin pass mill elongation, the measuring devices in common use are pulse generator and laser velocimeter, of which the control accuracy of the laser velocimeter is higher.
在平整机延伸率控制系统中，常用的测量装置是脉冲发生器和激光测速仪。
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