[前鋼線]

10 x 228 -> 220.38 ( 221/220 )
10 x 240 -> 232.38 ( 233/232 )

[後鋼線]

10/9 x 169 -> 161.38 ( 162/161 )
10/9 x 180 -> 172.38 ( 173/172 )