Giant water cannon won’t kill smog: experts(2)

西安花百万购“治霾神器” 专家称作用微乎其微

西安市新城区市容园林局近日新购多功能抑尘车投入使用，该“雾炮车”重10吨，能喷洒120米远、70米高的水雾，有喷雾降尘作用，媒体将之称为“治霾神器”。有大气治理专家称，其只能在短时间内减少空气中大颗粒的浓度，但对PM2.5的作用则微乎其微。[查看全文]

2014-05-12 13:12 Ecns.cn Web Editor: Yao Lan

The photo taken on May 9, 2014 shows a removable mist cannon which can reduce dust in air working on a street in Xi'an, Shaanxi province. (Photo source: cnwest.com)

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