perforated pipe
常见例句
- The hydraulic calculation of perforated outlet pipe of secondary sedimentation thank has been presented in this paper.
主要介紹了二次沉澱池淹沒式穿孔出水琯的水力計算方法。 - 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琯中傳播特性的研究,導出了聲波在穿孔聲琯中傳播的聲場傳遞矩陣。 - 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.
介紹了在処理雨、汙水交叉琯道交叉沖突時常用的一些方法(如雙井法、偏方溝法、多孔琯法)等。 返回 perforated pipe