line breadth

例句：

1. 1. The engineer measured the line breadth of the tunnel to ensure it was wide enough for vehicles.
   工程师测量了隧道的线宽，以确保它足够宽以供车辆通行。
2. 2. The carpenter used a saw to cut the line breadth of the wooden beams.
   木匠使用锯子切割木梁的线宽。
3. 3.The construction project required careful planning to ensure the line breadth was sufficient for pedestrian crossings.
   建设项目需要仔细规划，以确保行人过街线的宽度足够。