... persistent chemical 不易分解的化学物;持久性化学品 persistent oil 低挥发性油类 personal protective equipment 个人防护设备 ...
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non-persistent oil 非持久性油类
The persistent heat nurtured buoyant demand for residual fuel oil and direct crude burning for power generation, as electricity consumption soared to meet air conditioning demand in the region.
为满足该地区的空调用电需求,电力消费大幅增长,持续的炎热带来了对用于发电的残渣燃料油和原油的强劲需求。
As New Scientist's Feedback column has noted over the years, these snake-oil salesmen exploit a bafflingly persistent myth, that industrial activity has sucked much of the oxygen out of the air.
正如多年前《新科学家》杂志的反馈专栏所写的那样,这些卖骗人玩意儿的商人们利用一直存在的,令人困惑的却毫无根据的传说来欺骗消费者。 说工业生产吸走了空气中大量的氧气。
The only way speculation can have a persistent effect on oil prices, then, is if it leads to physical hoarding - an increase in private inventories of black gunk.
投机行为能够对油价具有持续效应的唯一方法就是(如果它会导致实际的囤积行为的话),增加这种黑色粘滑液体的私人库存。
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