64seconds
+ `; w- @4 }4 Dtvb now,tvbnow,bttvb
4 m# o! M; X3 H5.39.217.771 to 4 have 3floors = 48 sec3 Y& z( J) G, G$ }7 S% H6 i$ i; f
avg. 48/3 = 16sec公仔箱論壇: d& q* J/ F* p/ W) ?1 e4 E% `
: t- u; y$ G! |6 g! p9 ~
4 to 8 have 4floors = 16x4公仔箱論壇2 H4 |* V4 c6 G- p8 W" R/ T
= 64secs |