But there had been little incentive for the global chemical industry to gasify coal until prices began soaring for natural gas and oil. 但是直到天然氣和石油的價格大幅上漲之后，全球化學工業才有了開展煤炭氣化業務的動力。
But there had been little incentive for the global chemical industry to gasify coal until prices began soaring for natural gas and oil. 但是直到天然氣和石油的價格大幅上漲之后，全球化學工業才有了開展煤炭氣化業務的動力。