modified staircase wave

例句：

1. 1. The architect designed a modified staircase wave for the new building.
   建筑师为新建筑设计了一个改良楼梯波浪。
2. 2. The engineer used this modified staircase wave to improve the stability of the bridge.
   工程师使用这个改良楼梯波浪来提高桥梁的稳定性。
3. 3. The team worked on developing a modified staircase wave that could be easily installed and maintained.
   团队致力于开发一种易于安装和维护的改良楼梯波浪。