凹陷露天采场：凹陷露天采场是一种采矿方式，通过在地表挖掘和开采矿石或矿物来获取资源。这种采矿方式通常在地面形成凹陷或坑洼，并且在露天进行。
· The pit mine is a mining method that involves excavating and extracting minerals or ore from the surface of the Earth. This method often creates a depression or pit on the ground and is conducted in an open-air setting.
凹陷露天采场是一种获取矿石或矿物资源的采矿方式，通过在地表挖掘和开采。这种采矿方式通常在地面形成凹陷或坑洼，并在露天进行。