free from corrosive substances

例句：

1. 1. The newpaint job will ensure that the house isfree from corrosive substances.
   新的油漆工作将确保房屋不受腐蚀性物质的影响。
2. 2. The metal surface was free from corrosive substances, making it suitablefor outdoor use.
   金属表面没有腐蚀性物质，适合户外使用。
3. 3. The chemical solution isfree from corrosive substances,which makes it safe to handle.
   这种化学溶液不含腐蚀性物质，因此可以安全处理。