We ought to and can produce more petroleum.
我们应该并且能够生产更多的石油。
Can we afford to use so much of our limited petroleum supplies for private motoring?
石油储量既然有限，我们还能把那么多的石油用于私人汽车吗？
This method can be applied to the depth treatment of petroleum wastewater.
该方法适宜于石油污水的深度处理。
This method can be applied to the depth treatment of petroleum wastewater.
该方法适宜于石油污水的深度处理。
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