标签 細懸浮微粒

标签: 細懸浮微粒

中國霧霾太嚴重!天空「飄來」5個...

中國東北地區霧霾情形嚴重,近幾日天空都被灰白色的空氣籠罩,能見度極低,中國遼寧省瀋陽市的細懸浮微粒(PM2.5)濃度更爆表,吉林省長春市的情況也非...
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