Việt
mỏ than nâu
Anh
brown coal mine
coal pit
coal works
coalfield
colliery
Đức
Braunkohlegrube
Pháp
carrière de lignite
brown coal mine, coal pit, coal works, coalfield, colliery
brown coal mine /ENERGY-MINING/
[DE] Braunkohlegrube
[EN] brown coal mine
[FR] carrière de lignite