perforated pipe

常見例句

雙語例句

• The hydraulic calculation of perforated outlet pipe of secondary sedimentation thank has been presented in this paper.
  主要介紹了二次沉淀池淹沒式穿孔出水管的水力計(jì)算方法。
• The sonic field transmission matrixes of perforated absorbent pipe is given after the transmission performance of perforated pipe is studied.
  本文通過聲波在穿孔聲管中傳播特性的研究，導(dǎo)出了聲波在穿孔聲管中傳播的聲場(chǎng)傳遞矩陣。
• Some general methods of dealing with intersection conflict are presented, such as double - well method, square - ditch method, perforated pipe method and return siphon method.
  介紹了在處理雨、污水交叉管道交叉沖突時(shí)常用的一些方法（如雙井法、偏方溝法、多孔管法）等。
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