Ԫ~-~
m~ʩʵĵҪһʹÝȞ0.5%-1%ڛ]صrҲ@Ȟl%ʩЧãȞ0.3%-0.5%^}@ĝȷքe3%2%ʩ⛷ʳ1%ҺҲý2Сr(sh)1%ľҽҺ
(ni)ʩ~ʿ¶ˮɺʩ4r(sh)M(jn)˕r(sh)ضm~Ƭաɷ涼Ҫʩeǚ^߲~ƬҪ~ʸlҪܽcˮهʹ^}(yng)ßˮ_ݔ24Сr(sh)ȡόҺ3%هcr(nng)ˎχʩȿɷβx_(d)ʩĿҪע⺬һ㲻cʯҵr(nng)ˎ쇊ʩҪm(dng)ȵЧѣa(chn)ʺ
~ʩʵćʩΔ(sh)һ2-3ΣҲɸ(j)߲ȱrB(yng)߲w(ni)\(yn)D(zhun)Ŀ絪B(yng)\(yn)D(zhun)ʩĴΔ(sh)ЩһLgP(gun)Ir(sh)ڇʩ1-2μɣD(zhun)ٶɇʩ2-3ΣԪ߲w(ni)\(yn)D(zhun)Oɇʩ3-4
r(nng)Y̾W(wng)[Ԫ~-~],ֱӽoԓa(chn)Ʒԫ@ȡSһ؏(f)