,


: 2
:
– ( );
– ( )


(²) ()
1 2 L d d1
2.5 () 2.5 2.5 20.0 5.0 2.6
4 () 4 4 30.0 5.0 3.0
6 () 6 6 30.0 6.0 4.0
/ 10 () 10 10 30.0 8.0 5.0
/ 16 () 16 16 30.0 9.0 6.0
/ 25 () 35 25 40.0 11.0 8.0
/ 35 () 35 35 50.0 12.0 9.0
/ 50 () 70 50 50.0 14.0 11.0
/ 70 () 95 70 53.0 16.0 13.0
/ 95 () 120 95 67.0 19.0 15.0
/ 120 () 150 120 67.0 22.0 17.0
/ 150 () 185 150 67.0 25.0 19.0
/ 185 () 240 185 75.0 27.0 21.0
/ 240 () 300 240 75.0 32.0 24.0