1997 65405km 42.7％ 15％ 65％ ~80％ 1984 2008 50 75％ 50 1/ 3 1/3 3000 160 182 1.55 16.1 7 2008 572 241.7 42.3％
4200 14％ 1/4 2100 m3³ 2030 16 1760 m3 1700 m3 7 1/3 1/4 2050
1 90％ 50％ 40％ 100 32 30 600 570 3.2 1.9
C＝C —C≡C— —OH
—CHO SO2＋ X2＋H2O →
4H＋SO4＋2X
Jeremy .thomas
3.22 3.23
http://news.sina.com.cn/c/2012-05-17/021224427859.shtml
