Taking product as object and using existing database to study air pollution load distribution of every product life cycle link.
以产品为对象，利用现有的能源数据库，对产品生命周期各环节的环境负荷分布进行研究。
The severe air pollution alarms humans of the heavy load we have exerted on Earth by our insatiable production and usage of automobiles.
严重的空气污染警告人类，我们无休止的的生产和使用汽车给我们的地球带来了沉重的负荷。
Smaller than the oil viscosity of air, temperature, pollution, and thus can be used for high-speed machinery, apparatus and radioactive devices, but its load capacity than the oil is low.
空气比油粘滞性小，耐高温，无污染，因而可用于高速机器、仪器及放射性装置中，但其负荷能力比油低。
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