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central office line短语解释_central office line词组用法_central office line短语词组_零六五六深蓝词典
零六五六深蓝词典

central office line

C 开头单词

短语词组

    短语

  • Personal Central Office Line 人专用中继
  • central office line trunk 局间中继线
  • Complete Central Office Line Interface 中心局线电话线
    • 返回 central office line