主要功能1：按数字1—255是修改CAD线颜色，2：按数字01-045是改变线图层，改变图层插件内图层对应CAD图层管理器内图层-Main functions: 1 according to the number 1-255 is to modify CAD line color, 2: according to the digital 01-045 is to change the chart layer, change layer

cad线条变色，1-225颜色变色，简单试用(CAD line discoloration)

可以通过图层、颜色、字高、文字内容、线形等各种属性来筛选需要的实体，非常好用。(You can filter the required entities by layer, color, word height, text content, linear and other attributes, which is very easy to use.)