这种东西过滤不掉吧
所有跟帖:
• 可以用reverse osmosis filter。 -viewfinder- ♀ (37 bytes) () 02/18/2011 postreply 13:14:10
• Do you know the working principle of reverse osmosis filter? -411- ♂ (2047 bytes) () 02/18/2011 postreply 21:38:19
• 可以用reverse osmosis filter。 -viewfinder- ♀ (37 bytes) () 02/18/2011 postreply 13:14:10
• Do you know the working principle of reverse osmosis filter? -411- ♂ (2047 bytes) () 02/18/2011 postreply 21:38:19