.


:




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. ..

, ,

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.. IV-1

,

ǻ

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=295 2

=197 / m=2,01 /*

 

1 .

1.1 . . 1.2 . 1.3 . 1.3.1 . 1.3.2 .

2

2.1 . 2.2 . 2.3 . 2.4 - . 2.5 - .

3 .

3.1 . 3.2 .

4 .

4.1 . 4.2 . 4.3 .4.4 . . 4.5 . 4.6 .

5

6 .

: Q=2.4 / l=50

α =20 0

6.1 , -.6.2 . 6.3 .

6.4 .

7 .

7.1 , . 7.2 . 7.3 . 7.4 - . 7.5 .

 

 

1

2

3 3-

4

5

 

1 ______________________________________________________________

2

 

..

_________________________

...

..

_________________________

...

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..

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...

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. ..

, ,

___________________20__ .

 

 

˸ .. IV-1

,

__________________________________

 

=340 2

=395 / m=4,7/*

 

1 .

1.1 . . 1.2 . 1.3 . 1.3.1 . 1.3.2 .

2

2.1 . 2.2 . 2.3 . 2.4 - . 2.5 - .

3 .

3.1 . 3.2 .

4 .

4.1 . 4.2 . 4.3 .4.4 . . 4.5 . 4.6 .

5

6 .

: Q=803/ =45 l=850

d=12,5 2, 2, 3 ŋ=0,8 , , S=160 l=45

6.1 , -.6.2 . 6.3 . 6.4 .

7 .

7.1 , . 7.2 . 7.3 . 7.4 - . 7.5 .

 

 

1

2

3 3-

4

5

 

1 ______________________________________________________________

2

 

..

_________________________

...

..

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...

_________________________

..

_________________________

...

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...

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...

 

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...

 




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