/ 1400-2000

- "" ()
CN 14, CNi 14CN 20, CNi 20
, 14002000
1810, 2900, 3580, 4480, 4470, 4940, 53902900, 3580, 4170, 4380
Ast, 24512455
, 860860
,19511956
, 16191619
, /*24 / 24024 / 330
, /24 / 4024/60