圆螺母
主轴轴承组（2件=1组）
花键套
扬料刀
焊接压辊皮
星形橡胶件 联轴器胶套
带滤油器的滤油塞（全套）
辊壳（齿头型）40Cr
Used for material extrusion molding of 560 model equipment, 20CRMNTI alloy steel material has both strength and toughness (used for material extrusion molding of 560 model equipment, 20CRMNTI alloy steel material has both strength and toughness)
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