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companii miniere
mining companies
最后更新: 2014-11-21
使用频率: 4
质量:
lucrările miniere;
mine workings;
最后更新: 2014-11-21
使用频率: 1
质量:
tratarea deşeurilor miniere
mining waste treatment
最后更新: 2017-04-06
使用频率: 1
质量:
activități miniere subterane.
underground mining work.
最后更新: 2014-11-21
使用频率: 2
质量:
exploataţii miniere subterane;
underground mining;
最后更新: 2017-04-06
使用频率: 1
质量:
echipmente Și materiale miniere
mining equipment and supplies
最后更新: 2014-11-21
使用频率: 3
质量:
amplasarea zonelor miniere din spania
location of coal mining regions within spain
最后更新: 2017-04-06
使用频率: 1
质量:
Întreprinderi miniere şi energetice integrate.
integrated mining and power companies.
最后更新: 2017-04-06
使用频率: 1
质量: