It is studied with a focus on the harm of the composition of the aspiratory particles,aerosol state,grain size,concentration to human health.
对其空气中溶胶,别是可吸入的分,气溶胶态、径大、等对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.
现在时机已到,巨像从侧翼包弱障,它成堆货包围它,威胁要吞噬它,仅靠它巨大吸气力吸收它。
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