40微米以下肉眼就看不到了。納米,嗬嗬
所有跟帖:
• 看不到,也有距離呀!有距離才要show off! -elzevir- ♀ (0 bytes) () 02/14/2017 postreply 13:47:20
• 看不到,也有距離呀!有距離才要show off! -elzevir- ♀ (0 bytes) () 02/14/2017 postreply 13:47:20
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