1)  bell and spigot joint pipes,bell and spigot pipe,socket pipe
承插管
2)  reducing pipejoint,reducing socket
大小头承插管
3)  bell and spigot frame
承插结构
4)  Socket type
承插式
5)  bell and spigot faucet
承插口
1.
For the PCCP pipelines of five thickness of pipeline core,this paper analyzes on the rationality of enlarging the working surface diameter of the bell and spigot faucets from aspects of the technical advantages,the aggregate alkali activity,and the comprehensive economy,etc.
对于5种管芯厚度的PCCP管道,从技术优越性、混凝土骨料碱活性问题及综合经济等方面分析了增大其承插口工作面直径的合理性。
6)  plug mandrel
承插芯模
参考词条
补充资料:承承
1.谓代代承继。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。