这可能会提高“纸石油”的价格，但并不能提高变成石油的那些黑色原料精炼器的价格。
That may raise the price of "paper barrels", but not of the black stuff refiners turn into petrol.
其目标可能是位于纳坦兹核精炼厂的离心器。
The target may have been the centrifuges at its nuclear refinery at Natanz.
化学家们修补了热催化器与金属催化器以精炼材料。
The chemists have tinkered with heat and metal catalysts to refine their materials.
冷凝器如何有效的将锌蒸气冷凝为液态，一直是锌精炼工艺的瓶颈。
How to effectively condensing zinc vapor into liquid in condenser influences the development of zinc refinery technology all through.
采用钢包精炼方法把夹杂物消灭在钢水进入结晶器之前是获得“干净”钢水的关键。
The elimination of inclusions from molten steel before casting into mould using ladle refining operation and tundish metallurgy is the key practice to obtain clean steel.
机构说特索罗没能检查裂缝，使几乎40岁的热交换器爆炸并且杀死七工人在西雅图的北方该精炼厂大约70英里。
The agency said Tesoro failed to check for cracks that had developed in a nearly 40-year-old heat exchanger that blew apart and killed seven workers at the refinery about 70 miles north of Seattle.
机构说特索罗没能检查裂缝，使几乎40岁的热交换器爆炸并且杀死七工人在西雅图的北方该精炼厂大约70英里。
The agency said Tesoro failed to check for cracks that had developed in a nearly 40-year-old heat exchanger that blew apart and killed seven workers at the refinery about 70 miles north of Seattle.
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