Việt
sự khai thác than
Anh
coal extraction
harnessing
maintenance
coal getting mining operations
Đức
Kohleförderung
Kohlegewinnung
Steinkohlenförderung
Pháp
extraction du charbon
secteur de l'extraction du charbon
coal extraction,coal getting mining operations /ENERGY-MINING/
[DE] Kohlegewinnung; Steinkohlenförderung
[EN] coal extraction; coal getting mining operations
[FR] extraction du charbon; secteur de l' extraction du charbon
coal extraction, harnessing, maintenance
Kohleförderung /f/THAN/
[EN] coal extraction
[VI] sự khai thác than