As a result, it is feasible that making of ductileironpipe use of semi-steel.
结果表明:用冶炼高钛渣的副产半钢生产球墨铸管在工艺上是可行的。
3
The main properties of RPM pipe are introduced and compared with the properties of the plastic pipe, steel pipe, ductileironpipe and reinforced concrete pipe.