draught-proofing channel

例句：

1. 1. The construction of the draught-proofing channel is crucial for preventing wind damage during construction.
   防风通道的建设对于防止施工期间的风害至关重要。
2. 2. The engineers designed a draught-proofing channel to divert the water flow around the building.
   工程师设计了一个防风通道，将水流引向建筑物周围。