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:




:

































 

 

 

 





(4.2)

/.

kHa=1.065 (.4) 8- . .7 kHb= 1.03 ybd = 0.8, .8 kHV=1.

.

kHL=1, ZR=1, ZV=1, kL=1, kxH=1, sH=1.1, (4.3)

.

, (4.6)

, . .3 .45 235, , sHlimb2=540 . (4.3) sHP2=491 , .

, , .

 





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