‰·ò–¼
b“z(Konu)
’n@–¼
b“zŒSb“z’¬
[“xi‚j
-1
‰·@“xiŽj
20
—¬@—Ê(l/min)
18
pH
8
òŽ¿
’PƒŽãRnò
Geological Survey of Japan, AIST, 2004