标准摘要
[中文适用范围]： 本部分规定了播种和种植机械带有或不带有中心孔的凹面圆盘尺寸。 [外文原描述]： Establishes the dimensions of disks, with or without central hole. The table given the dimensions and fixing holes for sizes I to IV; the figure illustrates the various dimensions given and shows a section of the disk.
英文名称Equipment for sowing and planting — Part 1: Concave disks type D1 — Dimensions