operating mine造句

brief discussion on material management in an operating mine
浅淡生产矿井的材料管理
aerodrome operating mining
机场最低飞行条件
"we wish the government would create a more fair and reasonable investment environment for the foreign companies which want to operate mining activities in china, through improving the current law, " said the source, who declined to be named
“我们希望政府通过修订目前的法律，为想要在中国经营矿业的外国公司创造更为公平合理的投资环境，”一家媒体说，该媒体要求不要提到它的名称。
It's difficult to find operating mine in a sentence. 用operating mine造句挺难的