_:n611d2884779b4c3f90a9f809110e5e67xb1
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://khoahoc.vietjack.com/question/559399/em-hay-giai-thich-hien-tuong-sau-khi-do-nuoc-lanh-vao-trong-mot-coc>