每天有15吨落尘笼罩工地。
这灰落尘入土，成泥成尘。
爆破落尘弥漫空中。
没有波纹的水自然是平静的，不落尘土的镜子自然是反光的。
Thank you----xiaoyu. Water without waves is naturally calm, mirrors without dust are naturally reflective.
解决多管除尘器由于落尘返混现象，有助于提高除尘器的除尘效率。
Solving the problem of backmixing of falling dust is helpful to raise the dust collect efficiency of a deduster.
C系列大弧线不落尘设计，环型夜光显示，特别是极具个性化的多彩装饰效果。
Great arc design is for dust free. it consists of circular luminous indication typically Having most individual variety in fixture effect.
我是一朵小花，请摘下吧，切莫延迟！我担心晚了，我这朵小花就将枯萎，垂落尘埃。
Pluck this litter flower and take it, delay not! I fear lest it droop and drop into the dust.
我陷入了沉思，也许，这些凋落的叶子是幸运的，也许唯有零落尘土才是它真正的归属？
I was deep in the thought that perhaps, these wither and fall the leaf is lucky, perhaps only has the fallen dust is its true ownership?
在整个安装过程中，不会有溶剂挥发、不落尘、不对本空间内的其它摆设产生影响，不影响正常的生产工作生活秩序。
Throughout the installation process, there will be no solvent evaporation, no dust, not in the space of other furnishings have an impact, does not affect the normal production and work order of life.
原本的用法是指核爆后引发的核子辐射落尘。如果是空中爆炸的核弹所产生的放射性核污染会进入大气层高处，运行到远方然后造成辐射落尘，伤害人畜。
The worst fallout of the explosion was the doubt it created about the reliability of the designed Titan IV booster, of which both the Air Force and CIA are heavily dependent.
原本的用法是指核爆后引发的核子辐射落尘。如果是空中爆炸的核弹所产生的放射性核污染会进入大气层高处，运行到远方然后造成辐射落尘，伤害人畜。
The worst fallout of the explosion was the doubt it created about the reliability of the designed Titan IV booster, of which both the Air Force and CIA are heavily dependent.
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