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vertical grinding mill造句

"vertical grinding mill"是什么意思  
造句与例句手机版
  • He received his first U . S . patent, number 200567, in February, 1878 for a vertical grinding mill.
  • It's difficult to see vertical grinding mill in a sentence. 用vertical grinding mill造句挺难的
如何用vertical grinding mill造句,用vertical grinding mill造句vertical grinding mill in a sentence, 用vertical grinding mill造句和vertical grinding mill的例句由查查汉语词典提供,版权所有违者必究。