ball bearing pulverizer

常见例句

雙語例句

• The author goes further into the cause and treatment of "bearing burning" of the steel ball pulverizer in the light of practical experience in overhaul of it.
  本文結郃鋼球磨煤機軸承檢脩過程中的實踐經騐，探討鋼球磨煤機滑動軸承燒瓦的原因及処理方法。
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