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(1) ţ(yng)ȫϢ@_ֽ^oţͨLãƽ ֹ̹oܛؕrɹל末(2) ppKؓͺy(j)ţw|(zh)mѪһ ηѪ1 ?2 000So}ע20%?25%
Һ500? 1 000мӾS؉0.5ÿ2ΣBm(x)(sh)ԸļIB(yng) ܡ(3) SoKCmraҺ20%c15?20 XƄע
SƄ
S2?5˻20?50 (ni)(4) Yί
ˮ[ppѪ˥ߕrݔѪݔ Һȴʩ֮⣬ɲ
IIƤ|(zh)Mίm(yng)ÏĄ
:
B(yng)ţYӍ B(yng)ţg(sh) ţr B(yng) B(yng)ţ