例句與造句

1. Mineral fuels , mineral oils and products of their distilation ; bituminous substances ; mineral waxes
   礦物燃料、礦油及其蒸餾產(chǎn)品；含瀝青物質(zhì)；礦蠟
2. Mineral fuels , mineral oils and products of their distilation ; bituminous substances ; mineral waxes
   礦物燃料、礦油及其蒸餾產(chǎn)品；含瀝青物質(zhì)；礦蠟
3. It's difficult to find bituminous substances in a sentence. 用bituminous substances造句挺難的