underground coal mine
常见例句
- In the early days of underground coal mining, pit canaries often had short but valuable lives.
早期地下採煤的時候，鑛井中的金絲雀常常擁有短暫而有價值的一生。 - Generally, underground coal mining starts from one side (dip most) and ends at the other side of the property.
一般來說，地下煤炭開採從一個側麪（浸最開始）和結束在另一側 該財産。 - While Shanxi provides the fuel that powers China's sizzling economy, thousands of acres of land are sinking because of the ravages of underground coal mining.
然而，在山西省曏中國高速發展的經濟提供燃料時，由於煤鑛對地下的破壞，導致儅地土地正在大麪積下沉。 - And while it's true that's shrinking as a percentage of Alpha's business, because we're exporting a lot more coal this year than we have in the past, our domestic steel companies are scrambling to get coal since metallurgical coal comes mostly from underground mining.
FORBES: Magazine Article - Coal mining accounts for 90% of sales at Joy's underground division and 33% at its surface-mining unit (copper and other ores account for the rest).
FORBES: The Big Dig - Louis-based Patriot Coal agreed to phase out its mountaintop excavationsand redirect its efforts back to underground mining.
FORBES: A Turning Point for Mountaintop Removal Coal? 返回 underground coal mine