Home Sign Up Sign In
saharabear
V2EX  ›  问与答

下雪对于PM2.5没有清洁作用？

  •   
  •   saharabear · Feb 12, 2013 · 2781 views
    This topic created in 4913 days ago, the information mentioned may be changed or developed.
    刚下了雪，一查PM2.5还是170,下雪前是190.

    不算小的雪了，就没个清洁作用？
    No Comments Yet
    About   ·   Help   ·   Advertise   ·   Blog   ·   API   ·   FAQ   ·   Solana   ·   5621 Online   Highest 6679   ·     Select Language
    创意工作者们的社区
    World is powered by solitude
    VERSION: 3.9.8.5 · 21ms · UTC 01:48 · PVG 09:48 · LAX 18:48 · JFK 21:48
    ♥ Do have faith in what you're doing.