Different baseiron, copper, iron and copper and other materials available to meet customer needs at different levels.
内基有多铁基、铜基、铁铜等多种材质可供选择，满足不同层次客户需求。
2
One of keys of production of centrifugal casting pipe of s. g. iron is continuous and fast delivery of qualified baseiron with proper chemical composition and temperature.
应用离心铸造工艺生产球墨铸铁管，连续快速提供化学成分和温度均合格的优质铁液是生产的关键环节之一。
3
A base station represents a couple of iron boxes locked inside a well-conditioned room.