COPPER LEAD AND ZINC DEPOSIT 铜-铅-锌矿; 铜铅锌矿
Genesis type of lead and zinc deposit 铅锌矿床成因类型
International Lead and Zinc Study Group 国际铅锌研究组织
lead and lead-4% antimony alloy Ph和Pb-4%Sb合金
lead and lead-antimony alloy 铅与铅锑合金
Lead and lead-free mixed assembly technics 有铅和无铅混装工艺
Lead and zinc 铅锌; 铅锌矿
Lead and Zinc bulk concentrates 混合铅锌精矿
lead and zinc concentrate 铅锌精矿
LEAD AND ZINC CONCENTRATES 铅锌混合精矿
Lead and Zinc Deposit 铅锌矿床; 铅-锌矿床; 铅-锌、金矿床; 铅锌矿
lead and zinc enterprises 铅锌企业
lead and zinc industries 铅锌产业
Lead and zinc industry 铅锌工业; 铅锌产业
lead and zinc market 铅锌市场
lead and zinc metallogenic belt 铅锌成矿带
Lead and zinc mine 铅锌矿; 铅锌矿业; 危机矿山; 铅锌矿产
Lead and Zinc Mine Development 铅锌开发
lead and zinc mining industry 铅锌矿山工业