spigot and socket pipe

常见例句

双语例句

• Ductile cast iron piping is used for external underground. The pipe should be spigot and socket joint connected.
  室外地下管网使用球墨铸铁管，承插式连接。
• The paper introduces design principle of pipe well using socket and spigot connected cast iron pipes as pipe material. The results are effective.
  论述了承插式铸铁管作井管的优点和设计原理，实践证明效果良好，值得推广。
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