descale

verb

1. 除去（热水管道等）的水垢
   to remove the scale (= the hard white material left on pipes, etc. by water when it is heated) from sth

1. What's the best way to descale these pipes?
   给这些水管除垢的最好方法是什么？
2. By the requirement of the wagon wheel descale technics and manufacturing which is needed before detection, a new type automatic synchronizing deruster was developed to realize these functions.
   根据铁路货车轮对除锈探伤的工艺和生产要求，研制了新型的同步除锈机。
3. Improvement of Finishing Descale System With High Pressure Water Used in Medium Plate Production
   中板高压水精除鳞系统的改进
4. The working principle and application situation of electronic water processor is described in this paper. Production practice shows after the electronic water processor being applied in the circulating cooling water system, not only the descale effect is better, but also the economic benefit is remarkable.
   介绍了电子水处理器的工作原理及其应用情况，生产实践表明，在循环冷却水系统中应用电子水处理后，不仅除垢效果好，而且可取得可观的经济效益。

verb

1. remove the scales from
   1. scale fish

   Synonym:    scale