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Terms for subject Steel production containing 天然 | all forms | in specified order only
ChineseEnglish
天然合金钢naturally alloyed steel
天然native gas
天然气体喷入natural gas injection
天然汞膏natural amalgam
天然natural powder
天然金块nugget
天然铁合金naturally alloyed iron
天然native lead
天然黏结砂natural bonded sand