常见例句用作名词 (n.)Because of the small mine, usually the ore was excavated by hand.由于矿体小，传统印石采制主要是手工挖掘。The accurate ore weight is very important for computing of reserver.在矿石储量计算过程中，准确计算矿石体重是影响矿体储量的一个重要因素。 返回 ore-body