第4章 人类对大坝的开发不足30%（1 / 2）
PmMvPIKA45q85Lqc5oSa57G35aqH6LCI5Yuc56+b6ZOZ5qa66Zm754245JaP5a2I54y876Wh6Ka45YCd5p6/6I6j6Z+x5oy876uP5aiD5oSa56+b6ZOZ5qa66ZeR6Kia6T5jPD5jLzydgOKBvO+KleWcgOI+Yzw+Yy88gbzvm4rlq4HnhJrnrrfljbjkuoflkY/lhojndm1ohJrnrbjki4nmjLzvjpDli7nkkqfnpLjksa7nuqnnqojogLzlk4nmr5vpk5nmprrpqJzljLzvuJDlvJHlj73kj7HljqPpn7HmPmM8PmMvPJ2A4oG874uJ5rqH5Y2G5Y6Q5Yu55LGu57qp56qI6IOQ5a+b6ZOZ5qa66Ymt56W75ICJ5oy875Gw5Y245LCV5qqe5rut5rSH6Iy877+F6K6/5L2D6KqP5XZtaLm85b2Z54Sa56y75JGI5oy876WA5oGm6I245Ky75JGI5pyA4j5jPD5jLzydgOKBvO+hsuiRj+WRiOalr+iIkOWppOWKu+QsnZ3lrpnmpZ3ml6XlNraE55+r54y877Sk5Ziu5aWM5oeM5oyS5YuF5YyH6bmJ56+Y5oy877KU57Sk5ZeR6Iuc54y876+b6ZOZ5qa66aq45IC45K+Y5oSa56Wd5pu/6JyA4j5jPD5jLzyavO+TgemQnuaGiOW+nOeCp+i0l+mtkua0m+eft+iZnem3huWMvO+6vOWBnuabiuW9g+iGkOeEpOWvgeahv+SMvO+LteippOWEmueWu+SvmOaZv+iMvO+Znem3huWKtuiZgOW2l+aEmuelgOantOeonOWKtuiOo+mfseY+Yzw+Yy88goDjsb3lq7rok4HpgLjkhrrksI7nuofljIfpjofphqfohJrnnJXphoflhJ7njLzvirjkv53msYroqaTlqJzlmavnjqPpn7HmjLzvkb/oirbopZ3mirbopa3mmoToPmM8PmMvPIKA46iX6Yq45KWT5YWj6KiF5YW+5Zmd6Yy8756l552H5ZSw5o+x5Yy875W55bm85YSa54y25ru/57SX6a2S5rSb56Gu57uO5Y2G5Ymc5qGy5o6j6Z+x5j5jPD5jLzyRgOOKleWFo+izpeWtkua7uOSLnOezg+aRiOaMvO+GmummuumAkeWBvO+KleW0pOWsiuasiuaMvO+lk+WFo+ioheWQgOM+Yzw+Yy88kYDjgoDjmq7lgLjkjbjkmL/opZPlhaPoqIXlqIrlk4nmvYPojbjkvYPojLzvdm1otKDniormgLjkrZLmu7jkjLzvmq7lgLjkjbjkkIDjPmM8PmMvPJGA45+875eQ5Ya65KK656ek5bCI5bK56K2S5ru45Kui6IGm6ISa55+c54y874a65Iyu5Ya65Iyu5ZCA4z5jPD5jLzyBvO+iuuenpOWoiuW7p+eEmuelpuWlpuWMvO+EmueIueSAu+SylOe0pOWKuOSgiuWNhuWMvO+KiuaAuOSzj+Wmt+VqMDeBpuifueQyZqic5b+95LON5Td6uZTmobvmiormgLjkjLzvpZ3mt7XohrrkqIrlgL/mjqPpn7HmPmM8PmMvPJ2A4p+874Sa55yP6JCZ6J2d5aek5aWd5oy875+Y6YWj6KiF5Z+Y6YC45K+Y5pm/6Iy877Sv6JOB6b6a6ZyA4j5jPD5jLzyCgOO5gue6vOeJnOahsuaMvO+WpOWLueS1tOi5gueJnOa5lOahu+aMvO+npOW5gueJnOaQneWOkOWGuuSkmemMvO+/iuW6vOWIvuW9g+m7puedt+icv+ituOSRv+iMvO+qnuaepecwZ4Sa54m55I+E5qCX5quv5q+Y5oy8742J5Yu55LG85YqJ5aui6KGy5jJmqJzlurrkp6TlN3o+Yzw+Yy88nYDigbzvsKPlqp7mhJrnurrkp6TlN3qvmOaZv+iMvO+hsuaBp+iskOWMvO+9p+alh+icgOI+Yzw+Yy88mrzvtYHngL/mgLjktoTngarnjqPpn7HmPmM8PmMvPIKA45md6bO55byW5pK95Y6Q5bCj5aqe5oSa54aE6IW45pOB6YC45I6Q5aia6Yy8742T5aqe5oSa56qe5rqc5rq65Ia65Le16I2T5a6954295I2I6L+u5YKO5aWz5rSw5oy875mA5baX5oSa57q65Ji854mc5oW+5Zmd6Y6j6Z+x5qic5bGw5T5jPD5jLzyRgOOfvO+KleWyueW7juW6h+WqnuaQj+aMvO+KleW6uuSIueSAu+S0mOmXkeiyueigveSbiuWeruWJnOaQgOM+Yzw+Yy88kYDjgbzvpq3lpq3lvaXlvaXlrZLmu7jkn7fol77lnq7luqLni7rkrJzmhJrnm4nnuZDljLzvmq7lgLjkjbjkiZzmobLmiZzmr5zmgIrmkIDjPmM8PmMvPIm877CW5rSb5oKK6KCr54Sa56u/5YCc5ouc54Kn6Iy875mr55G957++5LmW5oW26D8/Pz8/Lj8/Pz8/PzEwMYy875G956a55Iuc5zEwMYq45Ka55L2l5b6J5o+95LCu6Lev6Ii87z5jPD5jLzyRgOOCgOOtkua7uOSEmueUremlheW7lOabjOequOSvmOaZv+iMvO+GuuSlnea6h+WLnOeQgOM+Yzw+Yy88kYDjgoDjs6npjY/lgKjooJfmn6vnkYjmhpDnqq3mmb/orZLmu7jkjLzvNjY2NpCA4z5jPD5jLzyCgOOGuuS4gueGiOeIj+WVueW5vOU+Yzw+Yy88nYDigbzvr5zmgIrmoLnkpq3lpZ3mtJfprZLmtJvnhJrnrZLmu7jkpZ3mgabotJvmsbDlo4LpjLzvh7/ojbjkk4nmoL3kn7zviLnkgLvknIDiPmM8PmMvPJ2A4oKA46SS5r++5Kia6ZyQ5r++5Kia6Yy8776b5YW45oyu5ZOJ5qC95Imt54y876SS5pOJ5pyQ5pyA4j5jPD5jLzydgOJ+hJrnuJHmv77kqJrpr5jmmL/oorrnp6Tlor3lurrkjLzvqrjkgLjksIjljbjkuJHmqaTlgLjkvYPor4/lorrnp6TlnIDiPmM8PmMvPIKA42pul6XlrYXlprjlpbvkr4/loL3kirjkuq7ohpDnjLzvubzlkK3ljJLlh6TlhaPotojlkJnpjbjknZ3lrpnmjLzvmYDltpfmMmaavO9mYz5jPD5jLzydgOKfvO+ikeWdneWumea7lOabjOeqnua5lOahu+aXkeimuOWMvO+lk+WXpeWUuuSquOSvmOaAuOSHuOSMvO+6uuSquOSAuOSwiOWyueigveSMgOicgOI+Yzw+Yy88goDjnZPojJLlv7vnhJrnuoflopTnsa7nqaTlqojohqDlgLjkuoflhojniYvmtLfliYvmtLfljqPpn7HmPmM8PmMvPJ2A4qaA4qaA4rqc5rq65KCX5peW57uM5Yy876+N6KuB54y876SU6Zya6bSg54y874+x5bqk576Y5rCI5YOQ5b2D6KqP5Yy877Gu57qp56qI6Kq45Jm/6IC85aC95JyA4j5jPD5jLzydgOKBvO+EmuedneWumea+m+WFuOaBpuivmOaKiuaAuOSZv+iFjOW7uOSfvO+GuuSAiOWRt+ilneavmOaRiOagveSJr+iKkeWBsOifvO+ikeWDkOWIheWNuOSIueSAu+S6uOSAiOWRt+iFjOW7uOSrj+WIueSAu+ScgOI+Yzw+Yy88nYDigoDji7jkgLjkhq/ogaforLvkoL3kqa7ojLzvmb7pgajlqY7nnZ3lp6Tlu47ltJfptpfmiZzmkYjmia3ngbzvhrrkmqTlqqTlr4/ljb3kuYLnhJrnnZ3lp6Tln7zviLnkgLvkl67njb3kuYLnqrjkmb/onIDiPmM8PmMvPJW55bm85am+5Z6b5aGd5qGd5oC45I+H6ZiE5Z+55Iu65KCX5qWd5pKW6bq65Ji854mc5oW+5Zmd6Yq45L+d5rGK6Kmk5aic5Yy875W55bm85YSa57u66bu66Yav5Yav5ZeR6Iuc54y876mJ57yk54+w5aKz5oC45Ia65KKw6J+E5o6j6Z+x5j5jPD5jLzydgOKBjOavlOaEmue/neaBgOiisOifhOaMvO+Dv+WDv+WPsOWEmuelk+WOmeiUsOWisOifhOacgOI+Yzw+Yy88goDji6flgLzlhJrnvaXlqrjkgLjkr5jmmb/or5jmhr3kjLzvsZLpvIDljbjkqYnnvKTnj7DltoTnvZnoPmM8PmMvPIKA47m06Kat5Ya65KS65I6j6Z+x5pm755i76Zi76b6c54Kn6ISa57CI5aat5Ymc5oy875yV6aii5YyS5YO/5YO/5Y+w5aq45KCH5Ye/6Jij6baE54Gq57SX6a2S5rSb5z5jPD5jLzyRgOOBvO+oiuWvkOWytOaSp+iJuOSMvO+0r+iapOWNuOSfvO+wiOWzg+ahsuaIueSOgOaNieWlu+SRiOaMvO+KuOS9g+ixsOWVjeWArueIueSZv+iuveeNveSquOSZv+iQgOM+Yzw+Yy88kYDjgoDjjb3kuYLnqrjkmb/or5jmpZ3mn47ljLzvhrrku63mtJjpq6Lon7nkjLzvqpPlqJzlurrkhJrnkYjmu63mk4nmsIjlvonmobLmqaTlio3lhrrkvonmi4/ln5jpjLzvhrrku63mk4nmq6LojIfpmb/oqJzlr5jmsbDloazmirjkkYjmjLzvhrrksIjlpq3ljLzvhrrksIjlpq3lkIDjPmM8PmMvPJGA45+874295LmC542n55m/6Imc5pi/6L2n5qWH6JCA4z5jPD5jLzyRgOOfvO+Bo+WwteiQquaeo+monOWIueSOgOagveSMvO+FjOW7uOSQgOM+Yzw=