技术制图。几何形位公差的符号。比例和尺寸。
Technical drawings. Symbols for geometrical tolerancing. Proportions and dimensions.
其制图部分使用户可以方便地对楼层图上各种消防设施和房间标志进行添加、删除、移动、修改及尺寸变换；
The drawing software lets the user expediently add, delete, move and modify fire detection or fire fighting facilities on the building floor maps.
生成的盒型图标注了各种所需的尺寸数值，设计者可以直接地修改原有盒型尺寸，无需重复制图。
The box shape pictures generated are marked with different values of dimensions required, so designers can directly modify original dimensions of boxes without necessary repeated drawing.
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