主轴
D型卸扣
注脂桶
压辊总成
上压盖
下压盖
自动注脂泵（2/3/4）
Welding process enhances structural strength, suitable for different types of rollers of 560 model equipment to play a protective role (Welding process enhances structural strength, suitable for different types of rollers of 560 model equipment to play a protective role)
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