װģ¼Ҿ߷һ£ҼҾǾɵ °ľʵҲֻζ쿪ͨ磬ǿûζȳ꣬ĻԷס
ڴװУװȾɱ֡ȩĻӷڳ3-15꣬붼ÿ¡ǵȵڼȩȳʱܶȴʼнֻdzһ㣬ûж⣬ʵ?
ʵģڼȩ0.08mg/m3Ϊȫסݹ¹涨ڼȩıΪs0.08mg/m3ν0.08mg/m3ζһΧڣڵĿ彡˺ֻзھסǰȫġζڼȩ꣬ôӾDzסģȾҲDzȫģ彡Σġ
ڵļȩﵽ0.08mg/m3ʱͯͻᷢﵽ0.20-0.30mg/m3ʱͻʸдﵽ0.3mg/m3ʱŵζд̱ǸУʺʣ۾ᡣڿмȩŨȸʱŻ£ƣˮסŨȵļȩշʰѪ!
Сཨס֮ǰһҪרҵļȩһ£ȩֻ꣬ȳ꣬ҲDzȫġ