coal_open-pit_mining_有道手机词典

1.It is reported that the mining area rich in coal resources, coal mining can be thick, buried shallow dip small coal occurrence stability, abundant reserves, suitable for large-scale open-pit mining.
据介绍，这一矿区煤炭资源丰富，可采煤层厚、埋藏浅、倾角小、煤层赋存稳定、储量丰富，适于大型露天开采。
dict.yoduao.com