通过运行此命令，能够在所选实体的指定位置自动生成符合国家标准规定的表面粗糙度代号。
By running this command, the roughness symbols that accord with the national standard can be automatically created in the appointed position.
通过运行此命令，能够在所选实体的指定位置自动生成符合国家标准规定的表面粗糙度代号。
By running this command, the roughness symbols that accord with the national standard can be automatically created in the appointed position.
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