setting-out line

例句：

1. 1.The engineer set out the new line of roads in the city.
   工程师在城市中划定了新的道路线路。
2. 2. The boundary line between our countries is clear and undisputed.
   我们两国的边界线清晰且无可争议。
3. 3. The demarcation line was drawn to clearly define the property boundaries.
   划分界限线是为了清晰地定义财产边界。