[直径标注](%E7%9B%B4%E5%BE%84%E6%A0%87%E6%B3%A8.md) [半径标注](%E5%8D%8A%E5%BE%84%E6%A0%87%E6%B3%A8.md) [参数属性](%E5%8F%82%E6%95%B0.md)