亚洲b精品大全_美女巨胸喷奶水视频www免费_亚洲腹肌男啪啪网站男同_日韩人妻无码AV中文系列_婷婷五月天丁香性爱_国产在线后入免费观看_欧美激情综合亚洲一二区_天堂成人在线观看_学生女初次做爰bd_中文字幕欧美精品一区

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