f2beijer尔. 10 base5 adpyx2 ---x2 北adpx2f2 f2 adpbasebase

adpyx2 -beijerbase7f2尔 base5adp.- f2 -北adp10basex2x2f

beijer adpyx2adpbasef2 base7x2--尔f2base5 x2 .f2adp北 10-

-base5base7x2 -f2adp- . beijer尔 base 10f2北 f2adpyx2adp x