工作人员在劲松七路人行道上收集尘土。 文/图 半岛记者 王洪智 车行道地面尘土量不超过5克/平方米,人行道不超过10克/平方米,道路可见垃圾(不包括树叶)停留时间不超过5分钟。自4月份以来,...
Staff in hill road pavement to collect dust. Reporter/figure peninsula Wang Hongzhi roadway ground dust amount no more than 5 g/m2, the pavement is less than 10 grams/square meters, the road visible waste (not including the leaves) stay time not more than 5 minutes. Since April,...
