Open-pit mine
01
a surface excavation that remains open during mining activities for extracting near-surface ores and minerals
معلومات نحوية
أمثلة
The open-pit mine stretched over a mile across and descended nearly 2,000 feet.
LanGeek
تحميل التطبيق
a surface excavation that remains open during mining activities for extracting near-surface ores and minerals
LanGeek