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(1) ţ(yng)ȫϢ@_ֽ^oţͨL(fng)ãƽ ֹ̹oܛ(yn)ؕrɹל末(2) ppKؓ(dn)ͺy(j)ţw|(zh)飬m(dng)Ѫһ ηѪ1 ?2 000So}ע20%?25%
Һ500? 1 000мӾS؉0.5ÿ2ΣBm(x)(sh)ԸļIB(yng) (3) SoKCmraҺ20%c15?20 XƄע
SƄ
S2?5˻20?50 (ni)(4) Yί
ˮ[ppѪ˥ߕrݔѪݔ Һȴʩ֮⣬ɲ
IIƤ|(zh)Mίm(dng)(yng)ÏĄ
(do):
B(yng)ţYӍ B(yng)ţg(sh) ţr B(yng) B(yng)ţ