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1367 subjects have a question bank; 1643 certificates in total, growing daily. · Filter: 矿业与冶金
1367 subjects
Mining & Metallurgy 30
- Coal Mine Safety Operations煤矿安全作业
- Metal and Non-Metal Mine Safety Operations金属非金属矿山安全作业
- Mineral Processing Engineer Professional Qualification矿物加工工程技术人员职业资格
- Mining Engineer Professional Qualification采矿工程技术人员职业资格
- Metallurgical Engineer Professional Qualification冶金工程技术人员职业资格
- Metal Rolling Worker Vocational Skill Level Certificate金属轧制工职业技能等级证书
- Steelmaking Worker Vocational Skill Level Certificate炼钢工职业技能等级证书
- Ironmaking Worker Vocational Skill Level Certificate炼铁工职业技能等级证书
- Underground Mining Worker Vocational Skill Level Certificate井下采矿工职业技能等级证书
- Mine Ventilation Worker Vocational Skill Level Certificate矿井通风工职业技能等级证书
- Ore Dressing Worker Vocational Skill Level Certificate选矿工职业技能等级证书
- Mine Hoist Operator Vocational Skill Level Certificate矿井提升机操作工职业技能等级证书
- Metal Material Heat Treatment Worker Vocational Skill Level Certificate金属材料热处理工职业技能等级证书
- Precious Metal Jewelry Maker Vocational Skill Level Certificate贵金属首饰制作工职业技能等级证书
- Cemented Carbide Molding Worker Vocational Skill Level Certificate硬质合金成型工职业技能等级证书
- Nonferrous Metal Smelting Worker Vocational Skill Level Certificate有色金属熔炼工职业技能等级证书
- Metal Rolling Worker金属轧制工
- Steelmaker炼钢工
- Ironmaker炼铁工
- Mine Ventilation Worker矿井通风工
- Underground Mining Worker井下采矿工
- Ore Dressing Worker选矿工
- Electrolytic Refining Worker电解精炼工
- Precious Metal Smelting Worker贵金属冶炼工
- Cemented Carbide Molding Worker硬质合金成型工
- Metal Heat Treatment Worker金属热处理工
- Mine Ventilation Operations矿井通风作业
- Metallurgical Enterprise Gas Operations冶金企业煤气作业
- Registered Safety Engineer (Metal Smelting Safety)注册安全工程师（金属冶炼安全）
- Registered Mining Engineer注册采矿工程师