H hoanglan.nguyen.587268 Junior Member Dec 19, 2014 #1 Chào các bạn, cho mình hỏi: Nước hiđrat là gì?
pdn Moderator Staff member Dec 20, 2014 #2 http://kiemtailieu.com/khoa-hoc-tu-nhien/tai-lieu/trao-doi-nuoc-o-thuc-vat/1.html
