Quartz, zircon, magnetite, gold are major constituents of littoral placers in Shandong province, while shell, ballstone, ilmenite, rutile being secondary.
山东省滨砂矿以石英、锆英石、磁铁矿、砂金,其次贝壳、球石、钛铁矿、金红石。
Quartz, zircon, magnetite, gold are major constituents of littoral placers in Shandong province, while shell, ballstone, ilmenite, rutile being secondary.
山东省滨砂矿以石英、锆英石、磁铁矿、砂金,其次贝壳、球石、钛铁矿、金红石。
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观点;若发现问题,欢迎向我们指正。