sulphur造句

• Study on producing high - purity ferric oxide from sulphur concentrate
  硫精矿制备高纯氧化铁
• Methods for determination of carbon and sulphur in alundum powder
  刚玉粉中碳和硫的测定方法
• A beautiful , high - quality yet low - sulphur variety of coal
  一块高纯度,含硫量低的漂亮的媒块
• Raw materials for the rubber industry . sulphur
  橡胶工业用原材料.硫
• Reducing the duty on ultra low sulphur diesel
  调低超低含硫量柴油税
• Burning ammonia and utilization of tail gas of sulphur production
  氨焚烧及硫磺生产的尾气利用
• Steel - examination by sulphur print baumann method
  钢的硫印检验方法