Co-rich Fe-Mn crusts

• 富钴结壳

Co-rich Fe-Mn crusts的用法和样例：

例句

1. The majority of researchers believe that the dominant manganese oxide of Co-rich crusts is vernadite.
   大多数研究者认为富钴结壳中的锰矿物主要是水羟锰矿。
2. The cobalt-rich crusts on the seabed floor are abundant in cobalt, so its exploitation has become a one of important research domains in the world.
   摘要富钴结壳因富含丰富的战略金属钴，已成为国际上竞相研究的热点。