=
=170-12-12-23-23-27-65-8=0
6636-69,, 8=27 =65 Ra40 . =0, =25 =67
=170-12-12-23-23-25-67-8=0
2.2.
=
1 IT5, =7
( ), IT 5
=0,008
=
=0,008
=0,16 ()
=0,006
=0,009
=0,013
=0,16 ()
=0,025 , 6 .
2.3.
, , h5 H5:
= 12
=
= 12
= 23 0,08
= 8
= 25
= 67
= 23 0,08
, 160-180 y = +380 ( ei = +3815 ).
=+0,3925
2.4.
, , . () , .
3. ( )