64secondstvb now,tvbnow,bttvb. o8 L1 ]: r# X, j3 t
: {- F" P1 @0 dtvb now,tvbnow,bttvb1 to 4 have 3floors = 48 sectvb now,tvbnow,bttvb& P0 C* q+ \$ b9 m1 X: q% ~4 Y/ ^
avg. 48/3 = 16sec
d, m# h6 C F0 i公仔箱論壇
2 V8 l' @% m% q: k4 m4 to 8 have 4floors = 16x4
0 n" n8 O6 |; B( V0 `公仔箱論壇= 64secs |