mrhmlin
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离最近的空气质量监测站 20 公里,那个监测站还有参考价值吗?

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  •   mrhmlin · Feb 27, 2018 via iPad · 1712 views
    This topic created in 3172 days ago, the information mentioned may be changed or developed.
    3 replies  •  2018-02-28 10:03:14 +08:00
    18202602876
    18202602876
    Feb 27, 2018
    1
    在北京就没意义了(lll ¬ω¬)
    mrhmlin
    mrhmlin
    OP
    Feb 27, 2018 via iPad
    2
    @18202602876 非北京,北京监测站很密集吧,不会超过 20 公里吧......
    hatw
    hatw
    Feb 28, 2018
    3
    自己买个呗。。。免费的悟空 M2 还不错。。。我用了几个月了。。。插到路由的 USB 口上取电
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