non-rusting rust-preventer

例句：

1. 1. Thesteel was non-rusting after beingstored in the warehouse for a year.
   这钢材在仓库里存放一年后，没有生锈。
2. 2. The paint on the car is non-rusting, which makes it looknewer.
   汽车上的漆是防生锈的，看起来更新。
3. 3. Themetal parts of the machineare non-rusting,ensuring long service life.
   机器的金属部件是防生锈的，保证了长寿命。