sulphur of iron ore的用法和樣例：
例句
- Potassium iron blue of high quality was prepared from pyrite cinders.
以硫鐵礦燒渣為原料制備鉀鐵藍。 - There are the largest explored reserve maximum sulphur content on average and predominant exploration condition in this production base.
是我國已探明的儲量最大，平均含硫量最高，開(kāi)采條件優(yōu)越的硫鐵礦生產(chǎn)基地。
