Lead and selenium mainly exist in galena, clausthalite, and selenio-galena which occur as cell-filling of coal-forming plants and are of chemical-sedimentary origin.
铅和硒主要赋存在方铅矿、硒铅矿和硒方铅矿中，这3种矿物以植物胞腔充填
，
于化学沉积成因。
Lead and selenium mainly exist in galena, clausthalite, and selenio-galena which occur as cell-filling of coal-forming plants and are of chemical-sedimentary origin.
铅和硒主要赋存在方铅矿、硒铅矿和硒方铅矿中，这3种矿物以植物胞腔充填，于化学沉积成因。
声明：以上例句、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发
问题，欢迎向我们指正。
