|
|
: |
|
, % |
12-19 |
.3: - (150±2)0, , |
2 |
1) 20÷28 /2 -813 |
50÷70 /2 (19,2÷14,0 2/) |
2) |
10÷15 |
: |
2 |
|
-20 |
0 |
+20 |
, |
120 |
90 |
60 |