heat - resistant steel是什么意思 heat - resistant steel怎么读
heat - resistant steel的相关资料
heat - resistant steel的用法和样例
- Ferro Silicon ,a widely used alloy, can be used as de-oxygen agent in steel casting and steel making, can be also used as an alloy agen in making silicon steel.
硅铁是应用广泛的一个铁合金品种，是炼钢铸造的脱氧剂，是炼硅钢，弹簧钢，耐热钢等的合金剂。
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