top board

例句：

1. 1.The engineer was asked to inspect the topboard of the roof.
   工程师被要求检查屋顶的顶部面板。
2. 2. The new car hasa top board that can be removed foreasy cleaning.
   这款新车有一个可拆卸的顶部面板，便于清洁。
3. 3. Theconstruction workers were working onthe top board of the building.
   建筑工人正在施工大楼的顶部面板。