rust-proof treatment造句

例句与造句

1. Before constructing , should carry out the derusting and rust - proofing treatment on the steel construction surface , the ones that had already antirusted should remove surface dust or other incidentals
   施工前须对钢结构表面作除锈、防锈处理，已作防锈处理的应清除表面尘土或其它杂物。
2. It's difficult to find rust-proof treatment in a sentence. 用rust-proof treatment造句挺难的