늄(dng)ߵؙC(j)Чʸһ_(ti)늄(dng)ߵؙC(j)ÿСr(sh)6000-8000ƽMһ늣6-8Сr(sh)e4-6fƽ
늄(dng)ߵؙC(j)늄(dng)ϴؙC(j)늕r(sh)ָʾ@ʾɺε^(hu)pƿ״ُ늄(dng)ߵؙC(j)ϴؙC(j)ǰγÿՈ(qng)10-12Сr(sh)ÿٳ䡣ߵؙC(j)ƿͨ^γݵķ늺^ ѵʹàB(ti)
늄(dng)ߵؙC(j)ƿʹðՈ(qng)z늽ҺҺ Ϳ̶ȾՈ(qng)a(b)sˮͿԣMҪߵؙC(j)ƿ̝늠B(ti)·̫ʹ늄(dng)ߵؙC(j)^УˮՈ(qng)ȡҪ^m(x)ʹ(hu)pƿ