哈·哈·, PM2.5 is about 2.5 um, macrophage cells can be 50 um
所有跟帖:
• 哦, 學習啦! -禦用文人- ♀ (0 bytes) () 01/07/2017 postreply 16:44:08
• 您,很好學哎,還很專研 -歌友- ♀ (0 bytes) () 01/07/2017 postreply 16:46:25
• 哦, 學習啦! -禦用文人- ♀ (0 bytes) () 01/07/2017 postreply 16:44:08
• 您,很好學哎,還很專研 -歌友- ♀ (0 bytes) () 01/07/2017 postreply 16:46:25
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