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