汉英词典
Chinese-English Dictionary
MEANING OF 锰结核
锰结核 (錳結核)
manganese nodule
〈名〉大洋底部的矿物团块,主要成分是锰和铁,也含有铜、镍、钴等三十多种元素,是一种深海底金属矿产资源。
() měng () jié/jiē
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