spring adjusting collar
可调整弹簧轴环 adjustable spring collar ; collar adjustable spring
可调整弹簧环 adjustable spring collar
当磨辊与磨环达到一定磨损后，调整高压弹簧长度，保持磨辊于磨环之间的恒定碾压力。
When the roller mill with a certain ring wear, the length of spring pressure adjusted to maintain a constant link between roller mill on the pressure roller.
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