cobalt-rich crest是什么意思 cobalt-rich crest怎么读
cobalt-rich crest的用法和样例
- 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。
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