damp-proof course

例句：

1. 1.The construction of the damp-proof course is crucial for preventing water damage during construction.
   施工过程中防潮层的建设对于防止水害至关重要。
2. 2.The engineers designed a waterproof layer to protect the foundation from moisture.
   工程师设计了一层防水层来保护地基免受湿气侵害。
3. 3. The damp-proof course was installed before the concrete pouring to prevent water seepage.
   在混凝土浇筑前安装防潮层以防止水分渗透。