graduated scale line

例句：

1. 1.The engineer used a graduated scale line to measure the length of the pipe.
   工程师使用渐变比例尺线来测量管道的长度。
2. 2.The architect drew a graduated scale line on the blueprint.
   建筑师在蓝图上绘制了一条渐变比例尺线。
3. 3. The scientist used a graduated scale line to plot the data points on the graph.
   科学家使用渐变比例尺线在图表上标出了数据点。