Cast iron fence is long structure.
铸铁围墙是长型构造物。
The existing industrial building has a cast iron column structure.
这栋现存的工业建筑结构为铁柱结构。
Nb has little effect on matrix structure of gray cast iron.
铌对过冷灰铸铁的基体组织无明显影响。
The result shows that the structure of the inoculated B cast iron changes apparently.
硼铸铁进行孕育，其组织发生了明显的变化。
The result shows that the structure of the inoculated B cast iron changes apparently.
硼铸铁进行孕育，其组织发生了明显的变化。
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