tunnel alignment by laser

例句：

1. 1. The laser-guided tunnel alignment system is crucial for the construction of underground pipelines.
   激光导引的隧道定位系统对于地下管道的建设至关重要。
2. 2.The laser-aligned tunnel was used to transport heavy materials through the city center.
   激光对准的隧道被用来运输重物穿过市中心。
3. 3.The alignment of the laser beams ensures that the tunnel is straight and efficient.
   激光束的对准确保了隧道直且高效。