http://blogs.scientificamerican.com/media/inline/blog/Image/Rocket-flight-blog.jpgtry using some technology8 M: d. {$ f2 h& |
Pedestrian_A 發表於 2016-2-19 04:22 PM
8 i) n9 |6 i- \2 }* n V9 k
8 m/ U% \; G! V% R% t3 t8 r8 Qos.tvboxnow.comNew technology is not good here it will skip your floors.