West Virginia alone has had three major mining disasters in the last decade, all caused by explosions in coal mines.
在过去10年里，单西弗吉尼亚就发生过3次主要矿难，皆为煤矿爆炸引起。
Mining remains dangerous work, as the disasters that seem to befall small Appalachian towns every few years attest.
采矿仍然是危险工作，最近，美国阿巴拉契亚的小城群落每几年就会遭遇一次灾难。
The fracture of shaft lining is a special type of engineering geologic disasters and is caused by interaction between mining and geological environment.
立井井壁破坏是一种特殊类型的工程地质灾害，是人类采矿活动和地质环境相互作用的结果。
应用推荐