主要成分：铁、铜、锰、锌、硒、钴、碘有机矿物质、益生素、必须氨基酸、枯草芽孢杆菌、消化酶。
Main ingredients: iron, copper, manganese, zinc, selenium, cobalt, iodine organic minerals, probiotics, must amino acids, bacillus subtilis, digestive enzymes.
随著生长年龄增加种植大黄对铁、锰、钴元素营养需求量有所增加，对锌、铜、镍元素营养的需求量略减。
The cultivated rheum required quantity has an increase for the fe, mn, co, and decrease for the zn, cu, ni element nutrition with the growth age changes.
海底锰结核中含有大量的锰、铁、铜、钴、镍等金属元素，被公认为是一种重要的陆地矿产替代资源。
Seabed manganese nodules contain a great deal of metallic elements such as manganese, iron, copper, cobalt and nickel, and they were thought as an important substitute resource for land ore.
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