| 释义 |
ferruginous chert
- 隧石suì shí
chert
- 铁锈的tiě xiù de
ferruginous
- 黑硅石hēi guī shí
chert
- 角岩jiǎo yán
chert, taconite
- 铁的tiě de
ferreous, ferric, ferrous, ferruginous
- 燧石条款suì shí tiáo kuǎn
chert clause
- 燧石suì shí
flint; firestone; silex; chert; gunflint
- 含铁的hán tiě de
ferreous, ferric, ferriferous, ferrous, ferrugineous, ferruginous
|