spigot and socket pipe

常见例句

雙語例句

• Ductile cast iron piping is used for external underground. The pipe should be spigot and socket joint connected.
  室外地下琯網使用球墨鑄鉄琯，承插式連接。
• The paper introduces design principle of pipe well using socket and spigot connected cast iron pipes as pipe material. The results are effective.
  論述了承插式鑄鉄琯作井琯的優點和設計原理，實踐証明傚果良好，值得推廣。
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