石墨の由来、語源、分布
| 排名 |
|---|
|
1 Niigata-ken(0.00161%) 2 Yamagata-ken(0.00124%) 3 Hokkaidou(0.00112%) 4 Miyagi-ken(0.000834%) 5 Fukui-ken(0.000478%) 6 Fukushima-ken(0.000402%) 7 Gifu-ken(0.000189%) 8 Chiba-ken(极少) 9 Hyougo-ken(极少) 10 Saitama-ken(极少) 11 Toukyou-to(极少) |