... 调整弹簧座adjusting spring set 一调整丝杠adjusting lead screw 连接轴connecting shaft ...
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adjusting lead screw 调整丝杠 adjusting screw for elevation 标高调整螺丝; 标高调整螺旋 ..
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Three types of adjustable turning rolls: manual lead screw adjusting, manual bolt shifting and electric sliding plate shifting.
三种可调式滚轮架：手动丝杆可调式、手动螺栓移位式和电动滑板移位式。
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