metal conditioner

例句：

1. 1. The metal conditioner is essential for cleaning the metal surface.
   金属清洁剂对于清洁金属表面至关重要。
2. 2. The metal conditioner helps to remove rust and dirt from the metal surface.
   金属清洁剂有助于从金属表面去除锈迹和污垢。
3. 3. The metal conditioner is used in industrial settings to improve the appearance of metal surfaces.
   金属清洁剂在工业环境中用于改善金属表面的外观。