‰·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