It has four mechanical shifts, and its speed could be adjusted by hydraulic pressure with stepless speed change.
它有四个主要的机械位移，其速度可以调整，由液压压力与无级调速改变。
Two pressure rollers are adopted and the ironing pressure which is controlled by hydraulic system can be adjusted freely.
型滚筒熨平机为双级熨压．其压力可由的液压系统控制，可实现连续调整。
In which the rolling moment system adopts gear-rack swing hydraulic-pressure oil VAT with torque sensor, the moment of inertia, damp and comeback can be adjusted.
其中模拟横摇力矩的伺服系统采用齿轮齿条摆动液压油缸，并配有扭矩传感器，试验台架的转动惯量、阻尼力矩和恢复力矩均可调。
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