oil-gas

常见例句

• Petroleum gas can be used as fuel as well as a chemical material.
  石油气既可以用作燃料又可以用作化工原料。
• The phenomenon of vapor explosions threatens the safe storage and transportation of liquefied petroleum gas.
  液化石油气蒸汽爆炸是对其安全储运构成很大威胁的一种观象。
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