煤矿词汇表

gassing suffocation asphyxia flooding landslide cave-in fire damp explosion safety lamp miner's lamp undercutter blast hole charge explosive jumper wedge shovel pick coal miner collier tip slag heap slag truck air vent planking lining shore prop shoring timbering gallery mine entrance pithead ventilation shaft hoisting shaft winding shaft working face level opencast working colliery coal mine coal field