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Mӌmտs
w~ţ40?80λƤע 2Сr؏(f)һΡʹڮa(chn)8?12Сrע; ^24?48СrtЧѡ10%}ˮoע200?300 ˮ3000ҲɴMӌmտs2?6Сrų̥ t6Сr؏(f)(yng)áˮǷrռڛ̎ ⸯڄeĸţˮţǽ]
a(chn) Y(ji)˲ȂȾ) M̥̥Pcĸw̥Pxӌm(ni)ע5%?10%}ˮ 1500Դʹ̥̥PsСĸw̥PÓ䣻ߝB}ˮ д̼ӌmտsעעʹ}ˮų A(y)
̥ӌmȾȴ̥ųӌm Ĥc̥֮g˽ùùص0.5?1zb Ϸɽǃ(ni)1Σ1?3ЧãԺ̥Ҳ Ҳԑ(yng)ػǰˎӌmiѿsСȼע
ϩƷţ10?30ˣʹ mi_ųȻٷ˷ֹȾˎÿջ ע1Σ2?3
(do):
B(yng)ţYӍ B(yng)ţg(sh) ţr B(yng) B(yng)ţ