... − 1 B 1 − 1, B2 − 1 B 1 , B2 − 1 1, −C +1 2, −C +1 B 1 − 1, −C +1 B 1 , −C +1 1, −C 2, −C B 1 − 1, −C B 1 , −C 1, −C+2 2, −C+2B 1 − 1, −C+2 B 1 , −C+2μ 1 μ2 μ 1 ... μ 1 P(0, B2) = μ2P (1, B2 − 1) (λ + μ 1 )P(I 1 , B2) = μ 1 P(I 1 − 1, B2) + μ2P(I 1 + 1, B2 − 1) , 1 ≤ I 1 ≤ B 1 − 1, λP(B 1 , B2) = μ 1 P(B 1 − 1, B2) B2 > ... 11 ,11 , 1 1, 11 1 Z cscTT Ttt ttt tMin cp P h I SC== ==++∑∑ ∑ (12 ) subject to balance equations: 1, 1, 1 1, 1, 2, 2,tt t tt tII PSCPSC−=++ −− , t∀ (13 ) 1, 0tI= (14 )...