“所有这些多余的储量会使得全球的炼油利润至少在5到6年内一直处于压力下”，Wood Mackenzie咨询公司的Francis Osborne这么认为。
All this extra capacity will keep global refining margins under pressure for at least another five or six years, believes Francis Osborne of Wood Mackenzie, a consultancy.
通过对某炼油厂几座塔操作压力和操作温度进行概率分布研究后认为，这些塔均服从正态分布。
The Probability distribution of the operation pressure and operation temperature of several tower in a certain oil refinery has been researched, and they obey to normal distribution.
将压力等级的概念引入炼油厂氢气网络的优化方法中。
Pressure ranking is introduced to synthesize the refinery hydrogen networks.
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