It is studied with a focus on the harm of the composition of the aspiratory particles,aerosol state,grain size,concentration to human health.
其空气中子,特别是可吸入子的分,气态、径大小、浓人体健康危害进行了分析研究。
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And the time had now arrived, the colossus had outflanked the feeble obstacle, and was investing it with its piles of goods, threatening to swallow it up, absorb it by the sole force of its giant aspiratory powers.
现在时机,像从侧翼抄了微弱障碍,用它成堆货它,威胁要吞噬它,仅靠它大吸气力吸收它。
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