24 26 2020 . ""
16 19 2021
2021 ( )
- , . , 90% ( ) 8...12% . . , , . , . , - - .
, , ( 6-8%) ( 0,2-0,7 ), - .
2500-3600 , 1200-1800 13 25 . - 250 400 /., R 12,0 , =0,045 -0,09 /. , , . - , .
www.sibstro.ru