Việt
sự khaỉ thác than đá
Anh
coal extraction
coal getting mining operations
Đức
Steinkohlenförderung
Kohlegewinnung
Pháp
extraction du charbon
secteur de l'extraction du charbon
Kohlegewinnung,Steinkohlenförderung /ENERGY-MINING/
[DE] Kohlegewinnung; Steinkohlenförderung
[EN] coal extraction; coal getting mining operations
[FR] extraction du charbon; secteur de l' extraction du charbon
Steinkohlenförderung /die/
sự khaỉ thác than đá;