һwˮ̎O(sh)̎\(yn)D(zhun)r(sh)ˎˇ
1ˎˮ̎еҪh(hun)(ji)ˎǷǛQh̎ˮ|(zh)ÉĵP(gun)Iͬˮ|(zh)ҪļˎͬNˎƷͶҪ(j)ˮijɷֺ͝Ƚ(jng)^Сӌ(sh)(yn)_J(rn)һwˮ̎O(sh)̎\(yn)D(zhun)r(sh)ˎˇһvAҺҪܴ_ˮPHֵ_(d)6~9ɣƷ(wn)s̎5~15%Ͼ۽Y(ji)s̎0.5~1%s̎0.5~2%ٳs̎1~2%(dng)Ȼ@Щ(sh)(j)ֻܹo
2N̎턩ɷϱ\(yn)͵ģһwˮ̎O(sh)Ͷǽ(jng)^ԵIJD(zhun)Ӌ(j)Ӌ(j)M(jn)yTƵ