例句 /

It is pointed out that there exist abundant Precambrian mineral resources in China, forming numerous large-superlarge iron, copper, lead, zinc, nickel, gold, REE, manganese, graphite, magnesite, talc, boron, phosphorus, pyrite, rutile and vermiculite depo

It is pointed out that there exist abundant Precambrian mineral resources in China, forming numerous large-superlarge iron, copper, lead, zinc, nickel, gold, REE, manganese, graphite, magnesite, talc, boron, phosphorus, pyrite, rutile and vermiculite depo

指出中国前寒武纪蕴藏著丰富的矿产资源,形成了众多的铁、铜、铅锌、镍、金、稀土、锰、石墨、菱镁矿、滑石、硼、磷、硫铁矿、金红石、蛭石等大型-超大型矿床。