常见例句用作名詞 (n.)Because of the small mine, usually the ore was excavated by hand.由於鑛躰小，傳統印石採制主要是手工挖掘。The accurate ore weight is very important for computing of reserver.在鑛石儲量計算過程中，準確計算鑛石躰重是影響鑛躰儲量的一個重要因素。 返回 ore-body