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˹ҡҡ VS ˹ҡҡ N95


 ˹ҡҡ VS ˹ҡҡ N95 w88

椹зҺ ˹ҡҡ (Face mask) ͧҨлͧ蹼Ҵ硡 2.5 ͹ PM 2.5 й鹺ҧؤźҧҨѧҺ è֧Ẻ

˵ط˹ҡҡҨФͧͧѹ PM 2.5 վѺ˹ҡҡ N95 2 ˵ ѧ仹

1. 蹡ͧͧ˹ҡҡդ´ͷлͧѹ蹼 PM 2.5

2. ˹ҡҡԶ١ҧẺͻͧäҡ “ȼ” ҡ鹵200



駡з :: ѹŧС 2020-11-17 15:57:17


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