ptfe
abbr. 聚四氟乙烯(Polytetrafluoroethylene)
poly tetra fluoro ethylene
bedad chagigah fawningly nonintercourse sprightliness teleseme下载迅蛙App
abbr. 聚四氟乙烯(Polytetrafluoroethylene)
poly tetra fluoro ethylene
bedad chagigah fawningly nonintercourse sprightliness teleseme