Pitch cokes were prepared by carbonization of pitches from Wuhan Iron and Steel Plant and the Taiyuan Iron and Steel Plant under different pressures and heat treatments.
将武钢中温沥青和太钢高温沥青在不同压力下炭化，进一步对所得沥青焦进行了高温热处理；
2
A deal between the companies could pitch China, a large importer of the fertilizer potash, into a new battle with BHP following earlier conflicts over iron-ore pricing.