| 摘要 |
一种轻型板段，安装在粉碎纤维素材料的分散机或精磨机的盘上，包括：具有分散机齿或精磨条的正面、具有围绕紧固件附属结构的凸起柱和凸起的板定位段的背面、板段侧边缘和在侧边缘之间延伸的径向外边缘和径向内边缘，其中，背面缺少沿侧边缘的凸起结构。; a back face having a raised post surrounding a fastener attachment structure and a raised plate positioning section; side edges of the plate segment; and a radially outer edge and a radially inner edge extending between the side edges; wherein the back face lacks raised structures along the side edges. |
