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annular bit短语解释_annular bit词组用法_annular bit短语词组_乐豆毛深蓝词典
乐豆毛深蓝词典

annular bit

A 开头单词

短语词组

    短语

  • annular r bit 环形钻头;环状钻头
  • annular cutting by thin -wall bit 套筒环切
    • 返回 annular bit