One is black carbon and the other is ozone, which is vital for blocking ultraviolet rays in the stratosphere but hazardous in the bits of the atmosphere where plants live and people have to breathe.
其一是黑碳，另一样是臭氧，后者对阻止平流层的紫外线起着至关重要的作用，但对大气中的植物和人类有害。
For instance, Pennsylvania has opposed designating the waste from Hatfield's Ferry and other power plants as hazardous.
例如，宾夕法尼亚州已经反对将哈特菲尔德轮渡公司和其他一些电厂的排放物视作是有危险的。
The reasons of ground hardening in a large area around working areas in hazardous waste treatment plants were analyzed.
分析危险废物处理厂生产区周围进行大面积地面硬化的原因，提出加大厂区绿化的措施。
Apply: large (plant) plants, warehouses, large buildings, hazardous gases, high temperature job-shop.
适用：大型(工厂)厂房，仓库，大型建筑物、有害气体、高温作业车间。
Some sources of pollution, such as nuclear power plants or oil tankers, can produce widespread and potentially hazardous releases when accidents occur.
一些污染源，如核电厂或油轮，可以产生广泛和有潜在危险的事故发生时释放。
Some sources of pollution, such as nuclear power plants or oil tankers, can produce widespread and potentially hazardous releases when accidents occur.
一些污染源，如核电厂或油轮，可以产生广泛和有潜在危险的事故发生时释放。
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