国产97色在线 | 日韩,久久精品国产99国产精品导航,无码AV天堂一区二区三区,欧美精品人妻AⅤ在线观视频免费,亚洲欧美日韩成人高清在线一区,久久久久99精品成人片牛牛影视,国产精品无码无卡在线播放,美女露100%双奶头无遮挡免费,激情国产AV做激情国产爱,无码AV蜜臀AⅤ色欲在线观看

Dairi lead-zinc mine project

The Dairi lead-zinc mine?project, located in the northwestern part of Sumatra, Indonesia, is a world-class,?high-grade lead-zinc deposit that has yet to be developed. It contains lead and zinc metal resources of approximately 3.58 million tonnes. Currently under construction, the project?is designed with an annual ore processing capacity of 1 million tonnes. Once completed, it is expected to become a globally significant lead and zinc production base and help ease supply pressures?for?these metals in China.


Produced By CMS 網站群內容管理系統(tǒng) publishdate:2025-09-22 15:13:17