10 1931 10
1050
H21 2,900 45.9% (14%) 253 4.0% 6,321m 3 (100%) 816 12.9% (21%) m 3 2,351 37.2% (41%) 8130 598 1,024m 3 8248% 198m 3 58 7% 1,758m 3 55% 48%+7%=55%
22 519 26 10 4
1 3 Vol53No.4,1998
m3 0.t 0.2t CO 2 0.7t
1 80 2 2 RC2 2 RC2 11m 22 1992
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