请问3-5%氯化钠是重量比还是体积比?
所有跟帖:
• 3-5g氯化钠100ml水 -wbnryb- ♂ (0 bytes) () 03/15/2012 postreply 18:44:59
• THANK YOU. -bangbang9814- ♀ (0 bytes) () 03/17/2012 postreply 23:29:01
• 3-5g氯化钠100ml水 -wbnryb- ♂ (0 bytes) () 03/15/2012 postreply 18:44:59
• THANK YOU. -bangbang9814- ♀ (0 bytes) () 03/17/2012 postreply 23:29:01