MEANING/意义
    线
      
  • guǎn xiàn
      
    sound for pinyin
      
      
    general term for pipes,cables,etc.
    Type noun/名词  
        
    Topics 
COMBINATIONS/组合
  • 线
      
    guǎn xiàn zǒu xiàng
      
    sound for pinyin
    direction of the pipeline

  • 线
      
    yóu qì guǎn xiàn
      
    sound for pinyin
    oil and gas pipeline
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