花键轴
压辊总成
齿轮减速器
圆螺母
辊壳（齿头型）40Cr
自动注脂泵（2/3/4）
旋转接头
拉杆
Accommodates and protects the main shaft and transmission parts of 560 model equipment, provides installation support (accommodates and protects the main shaft and transmission parts of 560 model equipment, provides installation support)
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