指尖鏈有道词典

pit prop

P 开头单词

同根派生

     

英汉例句

  • A fork waveguide model is proposed and the mode matching and multi-mode network technique are used to analyze the transmission characteristics of rectangular tunnel with metallic pit prop.
    針對矩形巷道中由於金屬支護立柱的存在而帶來的分叉不連續問題,提出用分叉波導模型竝用模式匹配法和多模傳輸理論分析傳輸特性。
  • a pit prop(= one used in a coal mine)
    煤鑛坑木
  • The conservation of pit prop at ancient copper mine
    古銅鑛遺址地表坑木的保護
  • The timber is used for construction, poles, vehicles, pit props, railway sleepers, and wood fiber.
    木材用於建設，杆，車輛，具窪點的支柱，鉄路睡眠者和木頭纖維。
  • Effect of Metallic Pit Prop on Transmission Characteristics in Tunnel
    金屬支護立柱對巷道無線傳輸特性的影響