Việt
sự khai thác than
Anh
coal extraction
coal mining
harnessing
maintenance
exploitation of coal
Đức
Kohlenbergbau
Kohleförderung
Kohlenabbau
Kohlenbergbau /der/
sự khai thác than;
Kohleförderung /f/THAN/
[EN] coal extraction
[VI] sự khai thác than
Kohlenabbau /m/THAN/
[EN] coal mining
Kohlenbergbau /m/THAN/
coal extraction, harnessing, maintenance
coal extraction, coal mining