basal filling

例句：

1. 1. The new car has a sleek and stylish exterior design, with a basal filling that enhances its performance.
   这款新车拥有光滑时尚的外观设计，其底板填充物提升了性能。
2. 2.In the construction of buildings, basal filling is used to provide structural support for the walls.
   在建筑施工中，底板填充用于为墙壁提供结构支撑。
3. 3.The engineer carefully selected the appropriate basal filling material based on the project requirements.
   工程师根据项目要求仔细选择了适当的底板填充材料。