ConclusionCement plant dust has an obvious promotive effect to the growth of body normal flora, disturbing the balance of them, which is harmful to the human body.

结论所选水泥厂粉尘对人体正常菌株的生长有明显的促进作用，对人体正常菌群的平衡带来一定的影响，从而对人体产生危害。

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Machine set up kiln dust pollution primary pollution source of cement plant, to set up this text kiln cement plant dust removal these difficult problem carry on research.

为了解决机立窑粉尘污染源问题，针对立窑水泥厂除尘这个难题进行了研究。

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Household dust which includes long hairs such as cat fur, twisted synthetic and woollen fibres, serrated insect scales, a pollen grain, plant and insect remains.

家庭灰尘，可以看到包括猫毛，扭曲的合成和羊毛纤维，锯齿状的昆虫鳞屑，花粉粒，植物和昆虫尸体。

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He says there is likely more risk from lead dust on plants or from playing in the soil than from the plant itself.

VOA: special.2009.06.09

And if somebody is going to promise that they can wave a magic wand or sprinkle the pixie dust or plant the beans in the right place so that we can get out of this problem, they're just not being straight with you and they're not being straight with the American people.

WHITEHOUSE: Press Briefing by Deputy Press Secretary Josh Earnest

At the start of this new drama by Shane Carruth, a botanist brushes blue dust from a plant and makes infusions and capsules from worms that he sifts from its soil.

NEWYORKER: Upstream Color

It consists of five eco-friendly products made from plant oils: organic glass cleaner, brake dust shield, hydrophobic car wash, tire shine and wheel cleaner.

FORBES: Great Car-Themed Gifts for Dads