lining pole

例句：

1. 1. The engineer used a lining pole to reinforce the wall.
   工程师使用衬里杆加固了墙壁。
2. 2. The carpenter was busy installing lining poles for the new floor.
   木匠忙于安装新的地板衬里杆。
3. 3. The construction crew had to replace the old lining poles with stronger ones.
   建筑工人不得不用更坚固的衬里杆替换旧的。