planished steel sheet

例句：

1. 1. The engineer carefully planished the steel sheet to ensure its smooth surface.
   工程师仔细平整钢板，确保其表面光滑。
2. 2.The construction site was covered with a layer of planished steel sheets for insulation purposes.
   为了隔热目的，施工现场覆盖了一层平整的钢板。
3. 3. The new car has a sleek and planished exterior, making it stand out from the crowd.
   这款新车拥有光滑而平整的外观，使其在众多车型中脱颖而出。