fire-clay lining

例句：

1. 1. Theengineer used a fire-claylining to protect the tunnel from collapse.
   工程师使用火泥衬里来保护隧道免受坍塌。
2. 2. The construction crew had toreplace the fire-clay lining due to the corrosion ofthe metal supports.
   施工队不得不更换因金属支撑腐蚀而损坏的火泥衬里。
3. 3. The new design incorporated a fire-clay lining to improvethermal insulation.
   新设计采用了火泥衬里以提高热绝缘性能。