那个仪器就是一滴水和一碗水的区别
所有跟帖:
• material particles less than 100 um are considered nano. -Maddie'sMom- ♀ (209 bytes) () 09/08/2012 postreply 08:34:46
• typo: < 100 nm is nano -Maddie'sMom- ♀ (0 bytes) () 09/08/2012 postreply 08:36:00
• material particles less than 100 um are considered nano. -Maddie'sMom- ♀ (209 bytes) () 09/08/2012 postreply 08:34:46
• typo: < 100 nm is nano -Maddie'sMom- ♀ (0 bytes) () 09/08/2012 postreply 08:36:00