...子文档资料 关键词:球墨铸铁管;水泥涂内衬机;可编程序控制器;变频调速器;操作员终端 [gap=765]Keywords:ductile cast-iron pipe; coating cement inner-lining machine; programm able controller; frequency conve..
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Ductile cast iron pipe 延性铸铁管 ; 球墨铸铁管 ; 球墨铸铁管道
centrifugal ductile cast iron pipe 离心铸造球墨铸铁管
Pipe ductile cast iron 延性铸铁管
The composition, control principle and dynamic characteristics of time series pulse combustion control system applied to the annealing furnace in Beitai Ductile Cast Iron Pipe Plant are introduced.
主要介绍了北台球墨铸铁管厂退火炉时序脉冲燃烧控制系统的组成、控制原理和动态性能，指出时序脉冲燃烧控制方式的优点以及在引进应用中应注意的问题。
The distribution of chemical composition and microstructure for cracking socket of centrifugal cast ductile iron pipe, and the effect of them on the cracking behavior have been studied.
分析了离心球铁管开裂承口的组织、成分分布，探讨了组织、成分对承口开裂的影响。
The annealing process of centrifugal ductile cast iron pipe by the heated mould method is studied.
研究了热模法离心铸造球铁管的退火工艺。
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