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2-20/ 2-50

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     2-20
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     2-20

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2-20/2-50 .

2-20/2-50

2-20/2-50

2

( )

2-20 2-50




20 2-20, 50 2-50
, ()

2-20 / 2-50

2-20

2-50

20

50

(0,01N+0,01) , N, -

-20...+45

0,01

10

2,5-3,0

( x x )

1807040

2-20

320

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