(2)


: 2
:



()
D B L d d1
35-(8x2)-9 () 8 8.4 18.0 89.5 12.0 9.0
35-(10x2)-9 () 10 10.5 20.0 89.5 12.0 9.0
50-(8x2)-11 () 8 8.4 20.0 93.0 14.0 11.0
50-(10x2)-11 () 10 10.5 22.0 93.0 14.0 11.0
70-(10x2)-13 () 10 10.5 24.0 104.5 16.0 13.0
70-(12x2)-13 () 12 13.0 24.0 104.5 16.0 13.0