, , - , . , , , , .. , .
:
(1) , 60480, ..,
(2) , 60480SF6,
(3) , 60480SF6,
4 .
4:
< 20 . . | ( 100:1) . . , (200 ) . | |
30 . , SF6 . | (700:1), . . . . | |
= 50 . , 50 . | 1000:1, . , 50 . |
- pres [] [] ( , , pst);
- ( ()): pst/Pres;
- [3/]: 1 3 500
pres;
- [3/]: , 1 3 100 ;
- [/]: , ;
- ( - );
- // .
, .
, , , , 6.4. , .