Reduce pollution of dust, fumes and gases with the method: use the dust Chamber, centrifuge with filter, filter, sleeve Xyclon static electricity and. ..planted many trees also help limit was part of air pollution, trees have umbrellas, absorb less solar radiation, smoking-stop and hold dust, absorb CO2, clean air filter, can shield alleviate noise.
đang được dịch, vui lòng đợi..
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