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单词 ball mill
释义

Definition of ball mill in English:

ball mill

noun

  • A mechanism for grinding dry substances into powder, consisting of a horizontal cylinder rotating on its axis and containing a number of balls of a hard, inert material such as steel or glass.

Origin

Late 19th century; earliest use found in Overland Monthly.

Definition of ball mill in US English:

ball mill

noun

  • A mechanism for grinding dry substances into powder, consisting of a horizontal cylinder rotating on its axis and containing a number of balls of a hard, inert material such as steel or glass.

Origin

Late 19th century; earliest use found in Overland Monthly.
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更新时间：2025/1/14 5:01:53