富集锂-6同位素及其化合物混合物(富集锂-6同位素指锂-6同位素富集度＞7.5%(按原子数计))

Lithium enriched in lithium-6 and its compounds and mixtures[lithium enriched in lithium-6 refers to enrichment of lithium-6 isotope more than7.5%(atomicity)]